KWK Steel is one of best chinese steel products manufacturer and exporter,our main products are seamless steel tube and auto engine parts,pressing parts,stamping parts.
Seamless steel pipes information is as below:
O.D.Range:5mm~820mm.W.T.0.5mm~80mm.
Process:Cold drawing,cold rolling,hot rolling,hot expanding.
Standard we could supply is as below:
ASTM:A53,A106,A192,A179,A210,A519,A312,API 5L,API 5CT,etc. 
DIN:DIN17175,DIN1629,DIN2440,DIN2391,DIN2393,etc. 
EN:EN10210,EN10255,EN10216,EN10297,EN10305.
For the auto engine products,we could supply full gasket sets,cylinder gaskets,oil seal,brakes, Sealing about asbestos & non-asbestos etc.

Our company own ISO9001:2000,API 5L,API 5CT,ISO/TS16949:2002 certificates.
Those products have enjoyed a good reputation in markets and sold well such as USA, Canada, Germany, Italy, Britain, Australia, South Korea, Singapore, Brazil, Netherland, Russia, India and so on. The annual exporting amount has exceeded 20,000 tons. Our annual sales amounts have gone beyond 100,000 tons and value has reached US$90,000,000, now has become NO.1 in tube and metal industry in Zhejiang Province.

Welcome to cooperate with us to flourish together.