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Zhangjiagang Sheng Ding Yuan Pipe-Making Co.,Ltd.
Zhangjiagang Sheng Ding Yuan Pipe-Making Co.,Ltd. High precision cold drawn seamless steel tube manufacture. TS16949 international quality management system approved.
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Zhangjiagang Sheng Ding Yuan Pipe-Making Co.,Ltd. Quality Info

Zhangjiagang Sheng Ding Yuan Pipe-Making Co.,Ltd.

•Production process control:We use the domestic first-class drawing machine,the production process is 

controlled with alloy internal and external matrix to control product dimensions, through the first, middle 

and last process inspection to ensure product quality.

 

•Finished tube anti-rust oil plating equipment:We adopt high pressure spray plating method, the antirust 

oil is plated by high pressure jet after ten passes of filtering and one pass of precipitation to safeguard

 the tubes’ outer and inner surface cleaness and polishness.

 

•Inner and Outer Surface Cleaning Equipment: We adopt automatic inner surface cleaning machine, 

rotating brush cleaning and high pressure oil flushing to clean the inner and outer surface.The new 

steel tube production craftsmanship can effectively remove all particulate attached to the inner and outer 

surface of tubes and thus achieving the utmost surface cleaness and polishness.

Company Certifications

Standard:ISO9001-2000
Number: 01607Q10671ROS
Issued By:BCC
Standard:TS16949
Number: T2532
Issued By:NQA
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