1. Standard: ANSI,JIS,DIN,GB,HG. 2. Certificate: ISO 9001 3. Advantages: professional, ... ''PressureCLASS150-CLASS2500Seal SurfaceRF, FM/M, T/G, FFStandardASME,GB,ANSI,JIS,DIN,BSApplication FieldsWidely used in many fields, such as papers ... when we received the damaged item. We are specialized in flange,pipes,pipe fittings and some other related products. If you ...