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Three important links of quality control in production process of high frequency welded pipe machine (3)
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【概要描述】In the production process of making steel pipes on the high frequency welded pipe machine production line, three links of raw materials, welding technology and roll adjustment should be focused on control.
Three important links of quality control in production process of high frequency welded pipe machine (3)
【概要描述】In the production process of making steel pipes on the high frequency welded pipe machine production line, three links of raw materials, welding technology and roll adjustment should be focused on control.
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- Release time：2022-10-29 11:30
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In the production process of making steel pipes on the high frequency welded pipe machine production line, three links of raw materials, welding technology and roll adjustment should be focused on control.
The high frequency welded pipe machine must control the roll adjustment at last
It can be seen from the causal analysis diagram of steel pipe waste produced during the production of the high frequency welded pipe machine that roll adjustment is a steel pipe operation process. In the production process, when the rolls are damaged or worn severely, some rolls need to be replaced on the unit, or a certain variety has been continuously produced in sufficient quantities, and the entire set of rolls needs to be replaced. At this time, the rolls should be adjusted to obtain good steel pipe quality. If the rolls are not adjusted properly, it is easy to cause the torsion, lap welding, edge waves, bulging and indentation or scratches on the surface of the pipe body, and large ovality of the steel pipe. Therefore, the roll adjustment should be mastered when changing the rolls. Skill.
(1) To change the steel pipe specifications, the complete set of rolls is generally replaced. The method of roll adjustment is: use a steel wire to pull a center line from the unit entrance to the exit, and adjust so that the hole pattern of each frame is on a center line and the bottom line of the forming meets the technical requirements. After changing the roll specifications, first make a comprehensive adjustment of the forming roll, guide roll, squeeze roll, and sizing roll, and then focus on the closed pass, guide roll, and squeeze roll adjustment of the forming roll.
(2) The role of the guide roller is to control the direction of the pipe seam of the steel pipe and the height of the bottom line of the pipe blank, ease edge extension, control the rebound of the pipe blank edge, and ensure that the pipe seam is straight and does not twist into the squeeze roller. If the guide roller is not well adjusted, it is easy to cause welding defects such as torsion, lap welding, and edge waves during the welding of the steel pipe.
(3) The squeeze roller is the key equipment of the pipe welding unit, and its function is to complete the pressure welding of the pipe body with the edge heated to the welding temperature under the squeeze force of the squeeze roller. In the production process, it is necessary to control the size of the opening angle of the squeeze roller. If the squeezing force is too small, the strength of the weld metal will decrease and cracks will occur after the force is applied; if the squeezing force is too large, the welding strength will be reduced, and the amount of external burrs will increase, which is likely to cause welding defects such as lap welding.
(4) During the slow start process of the high frequency welded pipe machine, pay close attention to the rotation of the rollers at all parts, and adjust the rollers at any time to ensure that the welding quality and process dimensions of the welded pipe meet the specified requirements.
The three important links of raw material, welding and roll adjustment in the production process of welded steel pipes are carried out on the high frequency welded pipe machine. If strict control is implemented, the quality of welded pipes will be effectively improved.
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In-Depth Application Analysis of Japanese-made 25 Second-hand Pipe Welding Machines
Time of issue : 2025-04-25
In the wave of global manufacturing transformation and upgrading, Used pipe welding machines are gaining increasing favor among enterprises with their unique value proposition. Particularly, the Japanese-made 25 model Used pipe welding machines, with their dual advantages of "precision engineering + affordable pricing", are reshaping industry standards for cost-performance ratio in equipment procurement. This article provides a comprehensive analysis of these machines' market performance, technical characteristics, and practical application value.
In-depth Interpretation of Market Status
The current Used pipe welding machine market shows a "tripartite" pattern:
Japanese equipment accounts for about 35% (renowned for high precision)
German equipment accounts for 25% (known for durability)
Domestic equipment accounts for 40% (advantaged by pricing)
Among these, the three core competitive strengths of the Japanese 25 model Used pipe welding machine:
Precision retention: Maintains ±0.05mm machining accuracy even after 5 years of use
Energy efficiency: 18-22% more energy-efficient than comparable new domestic machines
Residual value rate: Retains over 40% residual value after 3 years of use
Core Technology Analysis
The four core systems of this Used pipe welding machine model:
High-precision forming system (7 horizontal rolls + 5 vertical rolls configuration)
Intelligent temperature-controlled welding system (±2°C precise temperature control)
Online inspection system (equipped with CCD visual inspection)
Energy-saving transmission system (servo motor + frequency conversion control)
Industry Application Big Data
In the automotive manufacturing sector:
Average production cost reduction: 42%
Production efficiency improvement: 28%
Defect rate reduction: Below 0.5%
In the architectural decoration sector:
Surface treatment compliance rate: 99.2%
Daily production capacity: Exceeds 5,000 linear meters
Product consistency deviation: <0.03mm
Procurement Decision Guide
Five critical dimensions to consider when purchasing Used pipe welding machines:
Equipment service years (recommend choosing machines under 5 years old)
Key component conditions (focus on high-frequency welding head wear)
Technical documentation completeness (must include complete maintenance records)
Supplier qualifications (prefer authorized service providers of Japanese brands)
Local service capabilities (service network with 2-hour response time)
Typical ROI Analysis
For a monthly production scale of 100,000 meters:
New machine investment: Approximately ¥2.8 million
Second-hand equipment: Approximately ¥1.2 million
Annual cost savings: ¥760,000 (including energy, maintenance, etc.)
Payback period: 19 months
Future Development Trends
Intelligent retrofitting will become the value growth point for Used pipe welding machines:
Adding IoT modules for remote monitoring (increases value by 15%)
Upgrading automatic mold-changing systems (improves efficiency by 20%)
Retrofitting intelligent sorting devices (reduces labor costs by 30%)
Conclusion:
The Japanese 25 model Used pipe welding machine is redefining industry standards with its exceptional cost-performance ratio. For enterprises pursuing "lean production," this equipment not only significantly reduces initial investments but also delivers machining quality comparable to new machines. When procuring, companies should evaluate both the current condition of the equipment and its potential for upgrades to maximize investment value. During this critical period of manufacturing transformation, choosing high-value Used pipe welding machines is undoubtedly a wise decision for achieving "cost reduction and efficiency improvement."
For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
In the wave of global manufacturing transformation and upgrading, Used pipe welding machines are gaining increasing favor among enterprises with their unique value proposition. Particularly, the Japanese-made 25 model Used pipe welding machines, with their dual advantages of "precision engineering + affordable pricing", are reshaping industry standards for cost-performance ratio in equipment procurement. This article provides a comprehensive analysis of these machines' market performance, technical characteristics, and practical application value.
In-depth Interpretation of Market Status
The current Used pipe welding machine market shows a "tripartite" pattern:
Japanese equipment accounts for about 35% (renowned for high precision)
German equipment accounts for 25% (known for durability)
Domestic equipment accounts for 40% (advantaged by pricing)
Among these, the three core competitive strengths of the Japanese 25 model Used pipe welding machine:
Precision retention: Maintains ±0.05mm machining accuracy even after 5 years of use
Energy efficiency: 18-22% more energy-efficient than comparable new domestic machines
Residual value rate: Retains over 40% residual value after 3 years of use
Core Technology Analysis
The four core systems of this Used pipe welding machine model:
High-precision forming system (7 horizontal rolls + 5 vertical rolls configuration)
Intelligent temperature-controlled welding system (±2°C precise temperature control)
Online inspection system (equipped with CCD visual inspection)
Energy-saving transmission system (servo motor + frequency conversion control)
Industry Application Big Data
In the automotive manufacturing sector:
Average production cost reduction: 42%
Production efficiency improvement: 28%
Defect rate reduction: Below 0.5%
In the architectural decoration sector:
Surface treatment compliance rate: 99.2%
Daily production capacity: Exceeds 5,000 linear meters
Product consistency deviation: <0.03mm
Procurement Decision Guide
Five critical dimensions to consider when purchasing Used pipe welding machines:
Equipment service years (recommend choosing machines under 5 years old)
Key component conditions (focus on high-frequency welding head wear)
Technical documentation completeness (must include complete maintenance records)
Supplier qualifications (prefer authorized service providers of Japanese brands)
Local service capabilities (service network with 2-hour response time)
Typical ROI Analysis
For a monthly production scale of 100,000 meters:
New machine investment: Approximately ¥2.8 million
Second-hand equipment: Approximately ¥1.2 million
Annual cost savings: ¥760,000 (including energy, maintenance, etc.)
Payback period: 19 months
Future Development Trends
Intelligent retrofitting will become the value growth point for Used pipe welding machines:
Adding IoT modules for remote monitoring (increases value by 15%)
Upgrading automatic mold-changing systems (improves efficiency by 20%)
Retrofitting intelligent sorting devices (reduces labor costs by 30%)
Conclusion:
The Japanese 25 model Used pipe welding machine is redefining industry standards with its exceptional cost-performance ratio. For enterprises pursuing "lean production," this equipment not only significantly reduces initial investments but also delivers machining quality comparable to new machines. When procuring, companies should evaluate both the current condition of the equipment and its potential for upgrades to maximize investment value. During this critical period of manufacturing transformation, choosing high-value Used pipe welding machines is undoubtedly a wise decision for achieving "cost reduction and efficiency improvement."
For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
Evaluation of 76-127 Used Pipe Welding Machine Unit: Performance, Applications and Market Value Analysis
Time of issue : 2025-04-24
With increasing emphasis on cost control and environmental protection in manufacturing, used pipe welding machines have become a popular choice for SMEs due to their cost-effectiveness and sustainability. This article takes the 76-127 model as an example, providing a comprehensive analysis from multiple dimensions including technical parameters, equipment configuration, quality assessment, market advantages and industrial applications.
1. Technical Parameters and Equipment Configuration
The 76-127 used pipe welding machine unit is renowned for its high efficiency and flexibility, with core parameters as follows:
Processing range: Capable of producing square pipes (Φ40-100) and round pipes (Φ50-127) with wall thickness up to 5mm, at a production speed of 60m/min.
Key configurations:
Forming and welding: Includes 7 horizontal rolls and 9 vertical rolls forming unit, paired with 300kW solid-state high-frequency welder to ensure stable weld quality.
Auxiliary systems: Hydraulic uncoiler, shear welder, computer flying saw and Turk's head straightening device to enhance automation.
Process flow: Strip uncoiling→leveling→forming→high-frequency welding→cooling→sizing→cutting, ensuring continuous high-efficiency production.
The modular design simplifies maintenance, and after refurbishment, its performance approaches that of new machines while reducing procurement costs by 40%-60%, making it ideal for budget-conscious enterprises.
2. Key Points for Quality Assessment
According to industry standards, the quality of used pipe welding machines should be comprehensively evaluated from four aspects:
Materials and processes
Material durability: Core components such as rolls and high-frequency welders should be original to ensure corrosion resistance and tensile strength.
Process control: Welding quality directly affects joint strength, requiring precise regulation of high-frequency current's skin effect and proximity effect.
Appearance and performance
Visual inspection: The unit surface should be free of rust and deformation, with no significant wear on molds.
Performance test: Verify production speed, sizing accuracy (e.g. ovality ±0.05mm) and flying saw synchronization through trial operation.
After-sales service
Reputable suppliers like Jinyujie Electromechanical provide installation, spare parts support and technical training to reduce operational risks.
3. Market Advantages and Environmental Value
Cost-effectiveness
The 76-127 model typically costs only 50%-60% of new equipment while being ready for immediate use.
A Zhejiang-based enterprise reported 30% productivity improvement with significantly better ROI.
Sustainability
Refurbishing used equipment reduces resource waste, aligning with green manufacturing trends.
Industry adaptability
Widely used in construction (guardrails, scaffolding), automotive (exhaust pipes) and energy (oil pipelines) sectors, supporting various materials including carbon steel and stainless steel.
4. Maintenance and Risk Control
Routine maintenance
Regular lubrication and inspection of key components to prevent rust and damage.
Operation standards
Operators should receive proper training and wear protective equipment.
Procurement risks
Verify equipment sources and clarify responsibilities through formal agreements.
5. Industry Trends and Selection Recommendations
The domestic used pipe welding machine market grew 25% YoY in 2023, with increasing share of refurbished imported equipment. Selection suggestions:
Match production needs with equipment specifications
Choose reputable suppliers with comprehensive after-sales services
Conclusion
The 76-127 used pipe welding machine unit, with its mature technology, low cost and environmental benefits, has become an optimal choice for manufacturers seeking efficiency improvements. Enterprises should combine quality assessment, maintenance strategies and supplier services to maximize equipment value and promote sustainable development.
For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
With increasing emphasis on cost control and environmental protection in manufacturing, used pipe welding machines have become a popular choice for SMEs due to their cost-effectiveness and sustainability. This article takes the 76-127 model as an example, providing a comprehensive analysis from multiple dimensions including technical parameters, equipment configuration, quality assessment, market advantages and industrial applications.
1. Technical Parameters and Equipment Configuration
The 76-127 used pipe welding machine unit is renowned for its high efficiency and flexibility, with core parameters as follows:
Processing range: Capable of producing square pipes (Φ40-100) and round pipes (Φ50-127) with wall thickness up to 5mm, at a production speed of 60m/min.
Key configurations:
Forming and welding: Includes 7 horizontal rolls and 9 vertical rolls forming unit, paired with 300kW solid-state high-frequency welder to ensure stable weld quality.
Auxiliary systems: Hydraulic uncoiler, shear welder, computer flying saw and Turk's head straightening device to enhance automation.
Process flow: Strip uncoiling→leveling→forming→high-frequency welding→cooling→sizing→cutting, ensuring continuous high-efficiency production.
The modular design simplifies maintenance, and after refurbishment, its performance approaches that of new machines while reducing procurement costs by 40%-60%, making it ideal for budget-conscious enterprises.
2. Key Points for Quality Assessment
According to industry standards, the quality of used pipe welding machines should be comprehensively evaluated from four aspects:
Materials and processes
Material durability: Core components such as rolls and high-frequency welders should be original to ensure corrosion resistance and tensile strength.
Process control: Welding quality directly affects joint strength, requiring precise regulation of high-frequency current's skin effect and proximity effect.
Appearance and performance
Visual inspection: The unit surface should be free of rust and deformation, with no significant wear on molds.
Performance test: Verify production speed, sizing accuracy (e.g. ovality ±0.05mm) and flying saw synchronization through trial operation.
After-sales service
Reputable suppliers like Jinyujie Electromechanical provide installation, spare parts support and technical training to reduce operational risks.
3. Market Advantages and Environmental Value
Cost-effectiveness
The 76-127 model typically costs only 50%-60% of new equipment while being ready for immediate use.
A Zhejiang-based enterprise reported 30% productivity improvement with significantly better ROI.
Sustainability
Refurbishing used equipment reduces resource waste, aligning with green manufacturing trends.
Industry adaptability
Widely used in construction (guardrails, scaffolding), automotive (exhaust pipes) and energy (oil pipelines) sectors, supporting various materials including carbon steel and stainless steel.
4. Maintenance and Risk Control
Routine maintenance
Regular lubrication and inspection of key components to prevent rust and damage.
Operation standards
Operators should receive proper training and wear protective equipment.
Procurement risks
Verify equipment sources and clarify responsibilities through formal agreements.
5. Industry Trends and Selection Recommendations
The domestic used pipe welding machine market grew 25% YoY in 2023, with increasing share of refurbished imported equipment. Selection suggestions:
Match production needs with equipment specifications
Choose reputable suppliers with comprehensive after-sales services
Conclusion
The 76-127 used pipe welding machine unit, with its mature technology, low cost and environmental benefits, has become an optimal choice for manufacturers seeking efficiency improvements. Enterprises should combine quality assessment, maintenance strategies and supplier services to maximize equipment value and promote sustainable development.
For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
Furuiwo Used 140 Pipe Welding Machine Unit
Time of issue : 2025-04-23
Recently, Furuiwo launched its highly anticipated used pipe welding machine—the 140 model pipe welding unit. With outstanding processing capabilities and significant cost-performance advantages, this equipment has become an ideal choice for small and medium-sized pipe processing enterprises.
Core Performance: Precision and Efficiency for Diverse Needs
The Furuiwo 140 used pipe welding machine emphasizes practicality and stability, with key technical parameters as follows:
Processing Diameter Range: Φ60-159 mm, covering production needs from light-duty pipes to medium industrial pipelines;
Processing Thickness: Supports materials up to 5 mm, suitable for construction and machinery manufacturing;
Processing Speed: 60 meters/minute, significantly improving efficiency while reducing energy consumption.
The unit adopts a modular design for easy maintenance. After comprehensive inspection and upgrades by Furuiwo’s technical team, its performance is close to new machines, yet procurement costs are substantially lower.
Market Advantages: Economic and Environmental Value
Amid intensifying competition in manufacturing, used pipe welding machines are becoming a strategic choice for cost optimization. The Furuiwo 140 model stands out with the following advantages:
Cost Savings: Priced 40%-60% lower than new machines, ideal for budget-conscious SMEs;
Rapid Deployment: Pre-tested and ready for immediate use, shortening production setup time;
Sustainability: Extends equipment lifecycle, aligning with green manufacturing trends.
Wang Qiang, Furuiwo’s Sales Director, stated: “We are committed to providing high-value solutions. This used pipe welding machine not only ensures reliability but also comes with full after-sales support, including a one-year warranty and lifelong technical assistance.”
Applications: Versatility Across Industries
The unit processes carbon steel, stainless steel, and other materials, serving industries such as:
Construction: Production of guardrails and scaffold pipes;
Automotive: Exhaust pipes and chassis components;
Energy: Customized oil and water pipelines.
A Zhejiang-based pipe manufacturer reported: “After purchasing Furuiwo’s used pipe welding machine, our productivity increased by 30%, with costs halved compared to new equipment—ROI far exceeded expectations.”
Industry Outlook: Growing Demand for Used Equipment
As manufacturing upgrades, the used industrial equipment market is booming. Industry reports indicate a 25% year-on-year growth in China’s used pipe welding machine transactions in 2023, with refurbished imported brands gaining traction. Furuiwo, leveraging technical expertise and channel advantages, has emerged as a leader in this sector.
For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
Recently, Furuiwo launched its highly anticipated used pipe welding machine—the 140 model pipe welding unit. With outstanding processing capabilities and significant cost-performance advantages, this equipment has become an ideal choice for small and medium-sized pipe processing enterprises.
Core Performance: Precision and Efficiency for Diverse Needs
The Furuiwo 140 used pipe welding machine emphasizes practicality and stability, with key technical parameters as follows:
Processing Diameter Range: Φ60-159 mm, covering production needs from light-duty pipes to medium industrial pipelines;
Processing Thickness: Supports materials up to 5 mm, suitable for construction and machinery manufacturing;
Processing Speed: 60 meters/minute, significantly improving efficiency while reducing energy consumption.
The unit adopts a modular design for easy maintenance. After comprehensive inspection and upgrades by Furuiwo’s technical team, its performance is close to new machines, yet procurement costs are substantially lower.
Market Advantages: Economic and Environmental Value
Amid intensifying competition in manufacturing, used pipe welding machines are becoming a strategic choice for cost optimization. The Furuiwo 140 model stands out with the following advantages:
Cost Savings: Priced 40%-60% lower than new machines, ideal for budget-conscious SMEs;
Rapid Deployment: Pre-tested and ready for immediate use, shortening production setup time;
Sustainability: Extends equipment lifecycle, aligning with green manufacturing trends.
Wang Qiang, Furuiwo’s Sales Director, stated: “We are committed to providing high-value solutions. This used pipe welding machine not only ensures reliability but also comes with full after-sales support, including a one-year warranty and lifelong technical assistance.”
Applications: Versatility Across Industries
The unit processes carbon steel, stainless steel, and other materials, serving industries such as:
Construction: Production of guardrails and scaffold pipes;
Automotive: Exhaust pipes and chassis components;
Energy: Customized oil and water pipelines.
A Zhejiang-based pipe manufacturer reported: “After purchasing Furuiwo’s used pipe welding machine, our productivity increased by 30%, with costs halved compared to new equipment—ROI far exceeded expectations.”
Industry Outlook: Growing Demand for Used Equipment
As manufacturing upgrades, the used industrial equipment market is booming. Industry reports indicate a 25% year-on-year growth in China’s used pipe welding machine transactions in 2023, with refurbished imported brands gaining traction. Furuiwo, leveraging technical expertise and channel advantages, has emerged as a leader in this sector.
For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
Small cost replacement of 140 second-hand welded pipe equipment
Time of issue : 2025-03-21
Answer: Three core advantages:
The processing capacity of this used pipe making machine includes round pipes with diameter of 60-159mm, square and rectangular pipes with diameter of 50 * 50-120 * 120mm, anda wall thickness of 2.0-5.0mm, fully covering the mainstream demand of the welded pipe equipment market.
Refurbishment guarantee for Used ERW tube mill machinery: All mechanical and electrical components undergo professional maintenance/replacement, and the life assessment of key components meets the standards. The renovation and maintenance process for second-hand welded pipe equipment takes at least one month and up to three months.
The cost efficiency of the second-hand high-frequency welded pipe machine is only 45% of that of the new welded pipe machine. The production line of the used welded pipe mills production line sold by our company includes a one-year extended warranty, free training, and lifelong technical support.
Q: After purchasing second-hand welded pipe equipment, how long can it be put into production?
Answer: Jin Yujie Company's second-hand welded pipe equipment is all sourced from first-hand sources, with stock in the warehouse. It takes 7 days to ship and 15 days to complete installation and commissioning. The second-hand welded pipe unit can be purchased and used immediately.
It is recommended to arrange a technical team and decision-makers to conduct on-site inspections of the warehouse as soon as possible, select a second-hand welded pipe unit on site, in order to put it into production as soon as possible, create production capacity for the second-hand welded pipe production line, and achieve profitability.
more datail about this 140 enlarged 165 used tube mill line, please check here:
https://www.usedpipemill.com/product/Forever-Used-High-Frequency-Welding-Pipe-Making-Machie-of-%CE%A6140-Expand-to-%CE%A6165MM-221.html
For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
Answer: Three core advantages:
The processing capacity of this used pipe making machine includes round pipes with diameter of 60-159mm, square and rectangular pipes with diameter of 50 * 50-120 * 120mm, anda wall thickness of 2.0-5.0mm, fully covering the mainstream demand of the welded pipe equipment market.
Refurbishment guarantee for Used ERW tube mill machinery: All mechanical and electrical components undergo professional maintenance/replacement, and the life assessment of key components meets the standards. The renovation and maintenance process for second-hand welded pipe equipment takes at least one month and up to three months.
The cost efficiency of the second-hand high-frequency welded pipe machine is only 45% of that of the new welded pipe machine. The production line of the used welded pipe mills production line sold by our company includes a one-year extended warranty, free training, and lifelong technical support.
Q: After purchasing second-hand welded pipe equipment, how long can it be put into production?
Answer: Jin Yujie Company's second-hand welded pipe equipment is all sourced from first-hand sources, with stock in the warehouse. It takes 7 days to ship and 15 days to complete installation and commissioning. The second-hand welded pipe unit can be purchased and used immediately.
It is recommended to arrange a technical team and decision-makers to conduct on-site inspections of the warehouse as soon as possible, select a second-hand welded pipe unit on site, in order to put it into production as soon as possible, create production capacity for the second-hand welded pipe production line, and achieve profitability.
more datail about this 140 enlarged 165 used tube mill line, please check here:
https://www.usedpipemill.com/product/Forever-Used-High-Frequency-Welding-Pipe-Making-Machie-of-%CE%A6140-Expand-to-%CE%A6165MM-221.html
For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
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Tel: +86-13392281699
Wechat: 13392281699
Email: zty@usedpipemill.com
Company address:No. A99, East Lecong Avenue, Lecong Town, Foshan City, Guangdong Province
Wechat: 13392281699
Email: zty@usedpipemill.com
Company address:No. A99, East Lecong Avenue, Lecong Town, Foshan City, Guangdong Province
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Tel (wechat): 13336487288
Wechat：+86 13336487288
WhatsApp:+86 13336487288
Email: zty@usedpipemill.com
Address: No. A99, Lecong Avenue East, Lecong Town, Foshan City, Guangdong Province
