Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
High-Precision Cold Rolled Seamless Steel Pipe
Technical Specifications:
- Outer Diameter: 3mm ~ 90mm
- Wall Thickness: 0.5mm ~ 8mm
- Tolerance: +/-0.1mm
- Manufacturing Technique: Cold Drawing/Cold Rolling
- Compliance Standards: ASTM A519, DIN2391, SAE J524, EN10305-4, GB/T3639
- Steel Material Grades: E355, E235, 10#, 20#, Q355B, and more
Delivery Conditions: BK, BKW, NBK, GBK, BKS
Versatile Usage: Widely employed in mechanical processing, the automobile industry, and hydraulic equipment
Distinct Advantages:
- Smaller Caliber Options
- Accommodates Small Quantity Orders
- Excellent Surface Treatment
- Outstanding Performance for Mechanical Manufacturing
Delivery Condition:
- 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-grade precision tube tailored for hydraulic applications. Seamless, galvanized, and economically priced.


Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Zhangjiagang City ShengDingYuan Pipe-Making Co., Ltd. (referred to as Sheng ***) is a pioneering equipment enterprise focusing on the R&D of high Precision Cold Drawn Seamless Steel Tubes and High Pressure Fuel Tubes. Boasting an expansive land area over 15,000 square meters and total assets exceeding RMB80 million, Sheng *** has committed itself to sustained growth since its inception in 2007.
Our diverse product portfolio features 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 offerings are extensively utilized across various industries including equipment manufacturing, hydraulic systems, automotive, marine, engineering machinery, textile equipment, heat exchangers, and chemical machinery. With an annual production capacity exceeding 8000 tons, we provide a dependable supply to our customers.









