1. PVC plastic mould injection 2. 15 years experience 3. mould ... expert in producing pipe fitting and valve plastic moulding mould.plastic pipe mould for plastic injectionProcedure / step: 1 Sample/Drawing ... and clear communications.2. We can provide various of single/double Union valve mould, check valve mould, membrane ... pipe fitting mould, etc., made of ABS, U-PVC, C-PVC, PP-R, PE, PE-RT, POM and other ...