... valve mould, membrane valve mould, bottom valve mould, gate valve mould, locking valve mould, deflation valves mould, radiator valve mould, ball valve mould, water tap mould, elbow pipe ... pipe fitting mould, etc., made of ABS, U-PVC, C-PVC, PP-R, PE, PE-RT, POM and other material. Types are socket ... up various quality control points on different levels for ensuring mould's accuracy and lifetime.Primary ...