Our company specially produce variety materials and specifications for GUO-ZHEN brand stainless steel seamless tubes and pipes,the products sold to over 30provinces and cities in domestic areas,and for exported to southeast Asia and European countries about 30 countries ,which are widely used in petroleum,chemical industry,chemical fiber,medical machinery,smelting,Aero-Space,papermaking,foodstuff,shipbuilding,environmental protection,high pressure boiler,heat exchanger,pressure container,condenser,water resources,electricity industry and so on lines.The market prospect is quite extensive . Our products can protest corrosion and high temperature , without magent.The main item have 304,304L,321,316,316L,317L,310S,347H,etc.