... time:7 days China injection mould manufacture made plastic video doorbell housing TECHNICAL SPECIFICATIONSType of mouldInjection mouldSmall,medium,large ... to materialProduct MaterialPE , PP, HDPE , PPR , PVC , PP , PS , PET , ABS , PC , etcInjection TypeHot RunnerQTY of DropsCold RunnerHot sprue ... management system. China injection mould manufacture made plastic video doorbell housing