How does your factory do regarding quality control?

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.

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

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

What about our after-sale service?

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

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

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.

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

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.

Straight Seam High Frequency Square Tube Welding Mill

Name: Straight Seam High Frequency Square Tube Welding Mill
Brand: Zhangjiagang City Zhangyun Machinery Manufacturing Co., Ltd.
SKU: 843765185

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

US$168,400.00

1 Set

Product profile

Customization

Available

After-sales Service

Full Support

Warranty

1 Year

Model NO.

ZY-HF50

Pipe Material

Carbon Steel

Condition

New

Customized

Theory

Inverter

Application

Industry, Decoration

Type

Pipe Welding Machine

Pipe O.D

19-76mm

Thickness

0.7-3.0mm

Max Speed

150m/Min

Max. Motor Power

250kw

H.F.Welder

250kw

Color

as Your Requirement

Uncoiler

Double-Head or Single-Head

Pipe Shape

Customized

Transport Package

Shipping, Rain-Proof Package

Specification

45m*5m*2.5m

Trademark

ZHANGYUN

Origin

Jiangsu, China

Key features

High Speed Production: Maximum speed reaches 90 meters per minute with 22kw main motor.

OEM and ODM Services: Full customization, minor customization, and flexible customization available.

ISO 9001 Quality Control: Strict quality control with 100% inspection and testing video records.

Overseas Support: Optional overseas installation, debugging, and worker training services.

CE Certified: Product meets CE safety and quality standards for international markets.

Factory Direct Sales: Direct manufacturer and trading company with 13 years export experience.

Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

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: ≤7.87h

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.