Dear Sir or Madam,.

Shengdingyuan selects Carbon steel, produced by well-known steel corporations shanghai BAOSTEEL Group. Our products as follows:

l         seamless carbon cold drawn precision steel tubes for diesel injection lines

l         Transport oil tube as automobile accessory

l         Hydraulic tube for hydraulic system

l         Hydraulic power unit

l         Fuel injection lines as automobile accessory

Advantageous production standard : DIN 2391, ASTM A53, EN10305-1

Steel Grade : ST35,ST37.4,ST45,ST55,CK45,ST52

Specification: we are good at doing outer diameter4mm- 50mm, wall thickness 0.5-8mm, most longest length 12 mm. Especially 4—30mm OD .