Specification :

Dear Sir or Madam,
Thank you very much for opening my letter again and again without boring .
Shengdingyuan selects Carbon steel, produced by well-known steel corporations such as shanghai BAOSTEEL Group and Huai STEEL. Our products as follows:
l seamless carbon cold drawn precision steel tubes
l Transport oil tube
l Hydraulic tube
l Seamless carbon cold rolled precision steel tubes
l BK , NBK , GBK tubes
Advantageous production standard : DIN 2391, ASTM A53
Steel Grade : ST35,ST37.4(10#),ST45(20#),ST55(35#),CK45(45#),ST52(16Mn) and so on.
Specification: we are good at doing outer diameter4mm- 60mm , wall thickness 0.5-8mm ,length below 12 mm.
Sample: we would love to supply quotation and sample for you .
Outstanding : Due to complete arts and crafts ,our production have super brightness and cleanness , inner bore is clean as well . It’s very helpful for manufacturer who produce auto accessory and hydraulic equipment as oil tubes.
In addition , we are good at small specification tubes .
Best regard
Your sincerely