Q: How does your factory do regarding quality control?

A :There is no tolerance regarding quality control. Quality control complies with ISO 9001.every machine has to past testing running before it's packed for shipment.

Q: How can I trust you that machines pasted testing running before shipping?

A: 1) We record the testing video for your reference 2) We welcome you visit us and test machine by yourself in our factory.

Q: What about our after-sale service?

A: we provide technical support on line as well as overseas services by skillful technicians.

Q: What should I do if I just start a new business?

A:Contact us immediately ,we provide free consultant pre-sales service.Also we can help you to solve the material(steel coil)purchase,worker train,international market price.

Q:Can I visit you factory to check machines on-site ? What Should I bring when I visit your factory?

A: We are manufacturer, and we welcome customers to visit our factory. For special product design and develop, we request you bring a piece of testing material, you can test on our machines on-site.

Rectangle Carbon Steel Tube Welding Machine

Name: Round/Square/Rectangle Carbon Steel Tube Welding Machine
Brand: Zhangjiagang City Zhangyun Machinery Manufacturing Co., Ltd.
SKU: 843795585

Jiangsu, ChinaZhangjiagang City Zhangyun Machinery Manufacturing Co., Ltd.

US$210,700.00

1 Set

Product profile

Customization

Available

After-sales Service

Full Support

Warranty

1 Year

Model NO.

ZY-HF89

Pipe Material

Carbon Steel

Condition

New

Customized

Theory

Inverter

Application

Industry, Decoration

Type

Pipe Welding Machine

Thickness

1.2-4.5mm

Max Speed

70m/Min

High Frequency

400kw

Color

as Your Requirement

Pipe O.D

38-140mm

Pipe Shape

Round

Max. Motor Power

160*2kw

Transport Package

Shipping, Rain-Proof Package

Specification

65m*5.5m*2.5m

Trademark

ZHANGYUN

Origin

Jiangsu, China

Key features

Adjustable HF welder power for different wall thickness & speed

Smooth tube ends without burrs, ready for secondary processing

Welder power automatically matched with strip speed to avoid waste

High-rigidity drive shaft for stable torque transmission

PLC + touch screen centralized control, Chinese/English interface optional

Production data storage & export (output, speed, downtime)

Capable of round, square, rectangular, and special-shaped tubes

7/24 online technical support via WeChat/WhatsApp/Email

Engineers available for on-site service abroad

Complete documentation: drawings, manual, electrical diagrams, wear parts list

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Zhangjiagang City Zhangyun Machinery Manufacturing Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤7.63h

AI-Powered supplier vetting

SummaryZhangjiagang City Zhangyun Machinery Manufacturing Co., Ltd. is a China-based limited company established in 2002 and located in Zhangjiagang, Jiangsu. It operates in manufacturing-related industries and offers cold roll forming machines and elevator guide rail processing production lines. The supplier reports ISO9001:2015 certification, four production lines, 11 years of total R&D engineer experience, fewer than five quality-control staff, and 65 employees. It has exported since 2013 and holds self-operated import/export rights, although exports represent only 11%–20% of total sales. Company descriptions emphasize technical innovation, automation, customization, and successful cold roll forming cases. However, the supplied records do not verify outsourcing procedures, manufacturing-capacity contracts, inventory services, overseas warehouse or showroom capabilities, OEM/ODM/SDK services, or fire-drill capability. Audit details are present, but the evaluation result is recorded as “0,” without an explanation.

CertificationsThe supplier holds an ISO9001:2015 management-system certificate. A TUV Rheinland audit is also recorded with validity from 2025-08-18 to 2026-08-17, but the audit evaluation result is listed as “0” and no interpretation is provided.

R&D capabilityThe supplier states that it emphasizes technical innovation, has introduced advanced design concepts, integrated production automation, and has 11 years of total R&D engineer experience. However, product-information R&D, ODM, OEM, and SDK capabilities are explicitly listed as unknown, so the broader innovation-service scope cannot be fully confirmed.

Production capacityThe supplier offers cold roll forming machines and elevator guide rail processing production lines, operates four production lines, and reports successful cold roll forming production cases. However, outsourcing procedures, valid manufacturing-capacity contracts, and in-stock service capacity are unknown, limiting verification of scalability and fulfillment readiness.

Customization capabilityThe company describes a goal of providing flexible system solutions and advanced customization services for cold roll forming production processes, and it reports integrating automation into users’ production links. This supports stated customization capability, although the availability of formal ODM, OEM, or SDK services remains unknown.

Client casesThe supplier states that it has provided users in various fields with many successful cold roll forming production cases. The record does not identify customers, project quantities, industries, or independently verified case outcomes, so the evidence supports claimed experience but not detailed case validation.