... )Surface Polishment and NDT Test 5)ISO9001:2 Gate Valve StemsStandard: ASTM, BF,BS, JIS, UNI, ANSI ... , ISO etc. We are able to supply the products as follows:1) Materials include: ... BF,BS, JIS, UNI, ANSI, ISO etc.valve stem of 303 stainless steel4"API Gate ValveMaterial: Alloy Steel, Stainless ... requirements.5. All the products are made according to ISO9001:2000.6. Small orders and special ...