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, nickel alloy, stainless steel. Kwk steel owns three manufacturing enterprises which are involved in cold drawn, cold rolled, hot rolled, hot expanded process.

Supply mentioned tube and pipe

Austenitic/Super Austenitic Steel Grade:
304/L,316/L,314,321,347H,316Ti,316LMod,317L/N,310S,253MA,330,904L,S31254,XM-19,etc.

Ferrite/Martensite:
410,420,430,409,446,etc.

Duplex/Super Duplex Stainless Steel:
S31803,S32304,S31500,S32550,S32750,S32760,etc.

Carbon steel tube:A179,A192,A210,etc.

Size rang:
OD:3-813mm
WT:0.05-120mm

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.