In the Steel Tube Manufacturing Industry since 2004.
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, bushing, 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, AST...
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