How can I trust that the machines have passed test running?

We record test running videos for your reference, and you are welcome to observe the test running in our factory.

What is your after-sales service policy?

We provide a dedicated after-sales team, overseas service availability, and lifetime online technical support.

What support do you offer for new businesses?

We provide free pre-sales consulting services and leverage our experience to make reasonable proposals for new clients.

High Frequency Welded Carbon Steel Square Tube Mill

Name: High Frequency Welded Carbon Steel Square Tube Mill
Brand: Zhangjiagang City Zhangyun Machinery Manufacturing Co., Ltd.
SKU: 844036585

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

US$195,000.00-236,000.00

1 Set

Product profile

Customization

Available

After-sales Service

One Year

Warranty

One Year

Model NO.

ZY-HF76

Pipe Material

Carbon Steel

Condition

New

Customized

Theory

Inverter

Application

Industry, Decoration

Type

Pipe Welding Machine

Wall Thickness

1.2-4.0mm

Max.Speed

70m/Min

Main Motor

132*2kw

H.F.Welder

300kw

Width of Strip

90-280mm

Thickness of Strip

1.2-4.0mm

Transport Package

Rainproof Packaging

Specification

60m*5.5m*2.5m

Trademark

zhangyun

Origin

Zhangjiagang City

HS Code

8515219000

Production Capacity

200 Sets/Year

Key features

Customized Specifications: Wall thickness, speed, and strip dimensions are customizable to meet specific production needs.

Lifetime Online Support: Continuous online technical guidance and support provided for the entire lifespan of the machine.

Overseas Installation Service: Engineers dispatched to client sites for installation and debugging upon request.

ISO9001 Certified Quality: Manufacturing follows ISO9001:2015 standards with 100% inspection before delivery.

Factory Visit Allowed: Clients are welcome to visit the factory to inspect machines and verify quality on-site.

Direct Manufacturer: Established in 2002 with own R&D, workshops, and import/export rights.

Free Pre-sales Consulting: Expert consultation provided for new businesses to ensure reasonable machine proposals.

Test Video Evidence: Test running videos recorded and provided for reference to ensure machine reliability.

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: ≤5.22h

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.