Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Ultimate Precision: Cold Rolled Seamless Steel Pipe
Premium Specifications:
- Outer Diameter (OD): 3mm ~ 90mm
- Wall Thickness: 0.5mm ~ 8mm
- Tolerance: +/-0.1mm
- Technique: State-of-the-Art Cold Drawing/Cold Rolling
- Standard Compliance: ASTM A519, DIN2391, SAE J524, EN10305-4, GB/T3639
- High-Grade Steel Material: E355, E235, 10#, 20#, Q355B, etc.
Delivery State Options: BK, BKW, NBK, GBK, BKS
Versatile Usage: Ideal for Mechanical Processing, Automobile Industry, Hydraulic Equipment
Unmatched Advantages:
- Smaller Caliber for Precision
- Accepts Small Quantity Orders
- Exceptional Surface Treatment
- Superior Performance for Mechanical Applications
Delivery Condition Options:
- Cold Drawn/Hard (+C) (BK)
- Cold Drawn/Soft (+LC) (BKW)
- Cold Drawn and Stress Relieved (+SR) (BKS)
- Annealed (+A) (GBK)
- Normalized (+N) (NBK)
- Quenched and Tempered (QT)
Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Cold Drawn Steel Pipe for Hydraulic Systems: Top-tier precision tube ideal for hydraulic applications. Seamless, galvanized, and competitively priced.


Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Zhangjiagang City ShengDingYuan Pipe-Making Co., Ltd. (referred to as Sheng ***) stands at the forefront of the industry, specializing in the development of high Precision Cold Drawn Seamless Steel Tubes and High Pressure Fuel Tubes. Spanning over 15,000 square meters with assets surpassing RMB80 million, Sheng *** has been committed to excellence since its inception in 2007.
Our extensive product portfolio includes Cold Drawn High Precision Seamless Steel Tubes, Hydraulic System Brightness Fuel Tubes, Diesel Engine Common-Rail High Pressure Fuel Tubes, Black Phosphated Hydraulic Tubes, and High Pressure Seamless Square Tubes. These products cater to diverse industries such as equipment manufacturing, hydraulic systems, automotive, marine, engineering machinery, fabric equipment, heat exchangers, and chemical machinery. With an annual output exceeding 8000 tons, we ensure a dependable supply for all our clients.









