We are a factory in China, professionally manufacture & supply cold-drawn and cold-rolled precision seamless steel tubes. They are widely used in automobile (cylinder sleeve, liner, camshaft, axle casing, & other car parts made from tubes), motorcycle shock absorber, hydraulic & pneumatic cylinder, hydraulic jack, mechanical machine components, shipbuilding, geological drilling, nuclear station, etc.
Main Standard: DIN 2391, EN 10305-1, ASTM A519, A192, A513-5, A 106, GB/T3639, BS6323, JIS, DIN1629, EN10...
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