The annual operating companies: Panzhihua Iron and Steel (Chengdu), Baogang, Tianjin (a seamless), smelting steel, Angang, Baoshan, Hengyang, such as the production of high-quality steel seamless pipe, complete specifications, qualitatively and quantitatively. Seamless Steel Tube: # 10, # 20, # 35, # 45, 20G, 16Mn, 27SiMn Stainless steel tube: 1 Cr18Ni9Ti, 0Cr18Ni9, 304,321,321 L, 316,316 L, TP347H Standard: GB5310-95, GB6479-2000, GB9948-88, GB3087-1999, GB/T8162-1999, GB8163-199, GB14972-2002. Main Products: 20 G of the high-pressure, high-pressure alloy tubes, for the fertilizer, stainless steel tubes, the general structure, transmission fluid with steel, high-pressure boiler tubes, and low and medium pressure boiler tubes, oil cracking tubes, for the ship, the hydraulic prop , titanium alloy tubes, pipes, etc.