Precision Seamless Steel Tubes Since 2004

Our Factory

— Our People

The Team Behind Tenjan Steel Tube

Meet our administrative, production, quality control, R&D and sales teams, supported by a professional office environment and a strong culture of collaboration.

Administrative Team
Administrative Team
Office Environment 1
Office Environment 1
Office Environment 2
Office Environment 2
Office Environment 3
Office Environment 3
Production Team
Production Team
Quality Control (QC) Team
Quality Control (QC) Team
R&D Team
R&D Team
Sales Team 1
Sales Team 1
Sales Team 2
Sales Team 2
Team Bonding Activity 1
Team Bonding Activity 1
Team Bonding Activity 2
Team Bonding Activity 2
Team Bonding Activity 3
Team Bonding Activity 3
— Qualifications

Our Certificates

Internationally recognized quality systems, product testing and material qualifications support every Tenjan precision tube project.

ISO 9001 Quality Management System Certificate
ISO 9001 Quality Management System Certificate
IATF 16949 Automotive Quality Management System Certificate
IATF 16949 Automotive Quality Management System Certificate
ISO 15835 Certificate
ISO 15835 Certificate
TUV Test Report
TUV Test Report
SGS ROHS Test Report
SGS ROHS Test Report
Production License of Special Equipment of the People's Republic of China
Production License of Special Equipment of the People's Republic of China
CRRC Material Test Report
CRRC Material Test Report

Partner With Tenjan Steel Tube

Contact our team to arrange a factory visit or discuss a custom precision tubing project.

Contact Us

From Tube Requirement to Controlled Production

Precision tube manufacturing begins with a review of the drawing, applicable standard, material grade, delivery condition and inspection plan. The production route may include tube preparation, cold drawing or rolling, intermediate heat treatment, straightening, cutting and surface protection. For shaped sections, tooling and reduction stages are planned around the critical geometry, wall distribution and downstream use of the component.

Inspection and Traceability

Quality planning connects incoming material, heat and batch identification, in-process measurements and final release documents. Depending on the specification, verification can include dimensional inspection, visual and surface checks, mechanical testing, chemical-document review and agreed non-destructive examination. Marking and records should preserve the link between shipped tubes and the applicable material certificate.

Planning an OEM Project

For a useful factory review, provide the drawing revision, annual and batch quantities, target delivery condition, critical tolerances, sample requirement and destination. Early agreement on tooling, first-article inspection, packing and change control reduces risk when a project moves from prototype to repeat production.

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