... 2)Certification:CE, ISO 3)Standard:ISO,GB,DIN,JIS,SMSI We are confident that a trial order ... 316L, 316Ti, 317, 317L, 321, 321H3) Standare: ISO, DIN, JIS B2316, SNSI, SMSI, GB/T12459,GB/T,ASME, MSS ... -SP-79, BS3799,4) Pressure:2000Lb, 3000Lb, 6000Lb, 9000Lb5) Sizes: from DN6 ... , pharmaceuticals, food, architectural,transportation, exhaust system bw seamless steel ASTM B 16.9 tees