FORGED flange 1.standard:ANSI /API / AWWA / DIN / BS / JIS 2.150LB 300LB ... : the TUV CERT ,ISO9001 - 2000, WO , PED.7)Standard: ANSI B16.5, B16.47, MSS, SP-44, AWWA, API, DIN, JIS, HG, GB, JG ... 30 specifications derived from 7 standards, i.e. ANSI ,API ,MSS ,AWWA , DIN ,JIS ,BS as well as GB ,which ... the audit of ISO9001-2000 . If you have demand in our products,please feel free to contact me.