Our company has been insisting in the standard of some organization such as GB,HG,SH,ASTM,DIN,JIS,ISO and so on. Every year we produce various kinds of material and standard stainless steel welded pipe 10000tons, seamless tube 5000 tons.  We mainly produce some sizes: the diameter of welded pipe is between 9.52mm and 2540mm ,thicknesses is  between 0.3mm and 25mm; the diameter of seamless tube is between 6mm and 457mm, thicknesses between 0.8mm and36mm.The products have been adapted widely for many industries. For example: petroleum domestic and abroad, chemical engineering, medicine, paper making, shipbuilding, provisions, nuclear power, war industry, machine, and so on. We have perfect quality management system and all the products have already passed ISO9001:2000, CQM, LRQA, PE etc. Also we fasten on modern management concepts,