... the ISO9001 certification. Product introduction : Item Namestainless steel tube,require Tube,Stainless Steel Pipes,fitting Material1.Stainless steel:303/304 ... could produce standard products, just like DIN, JIS,ANSI,BS according to customers' drawings or requirementsFinishing 1. Plain2. White / yellow / ... and service will win the market stainless steel tube,require Tube,Stainless Steel Pipes,fitting