... 4.OEM Injection we are a injection plastic molding company expert in producing plastic injection mould. Our moulds are both ... office supplies,baby appliance ,medical parts,etc.4. 4 sets plastic machinery prepared testingProcedure / step: 1 Sample/Drawing We need ... membrane valve mould, bottom valve mould, gate valve mould, locking valve mould, deflation valves mould, radiator valve mould, ball valve ...