1. PVC plastic mould injection 2. 15 years experience 3. mould manufacture 4. excellent quality ... mould, deflation valves mould, radiator valve mould, ball valve mould, water tape mould, elbow pipe fitting mould, tee pipe fitting mould ... , union mould, flange mould, bypass bend mould, flexible connector mould, water supply mould and sewerage pipe fitting mould, etc., made of ...