... membrane valve mould, bottom valve mould, gate valve mould, locking valve mould, deflation valves mould, radiator valve mould, ball ... tap mould, elbow pipe fitting mould, tee pipe fitting mould, reduce pipe fitting mould, coupling pipe fitting mould, cross pipe fitting mould, union ... bend mould, flexible connector mould, water supply mould and sewerage pipe fitting mould, etc., made of ABS, U-PVC, ...