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KWK Steel is one of best chinese seamless steel tube manufacturers and exporters who owns ISO9001:2008 quality management certificate, our main products are seamless steel tubes including carbon, alloy, stainless steel. Kwk steel owns three manufacturing enterprises which are involved in cold drawn, cold rolled, hot rolled, hot expanded process.

Seamless steel pipes information is as below:

O.D.Range:5mm~820mm.W.T.0.5mm~120mm.

Process: Cold drawing, cold rolling, hot rolling, hot expanding.

Standard we could supply is as below:

ASTM:A53,A106,A192,A179,A210,A213,A268,A269,A519,A312,API 5L,API 5CT,etc.

DIN:DIN17175,DIN1629,DIN2440,DIN2391,DIN2393,etc.

EN:EN10210,EN10255,EN10216,EN10297,EN10305,etc.

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, Iran, Mexico, Thailand, Russia, India and so on. Our annual sales amounts have gone beyond 50,000 tons now has become NO.1 in tube and metal industry in Zhejiang Province.

Welcome to cooperate with us to flourish together!