... accessaries and parts,homeproducts,office supplies,baby appliance ,medical parts,etc.4. 4 sets plastic machinery prepared testingProcedure / step: 1 Sample/Drawing ... valve mould, check 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 ...