... PV, PP, PVC,PA, PE-HD,PE-UHMW etc) ♦ Aluminum (different grade),metal,brass ,copper3.surface treatment for prototypes painting ... case, TV case, hair dryer, LED light case, air conditioner case, Rice cooker, Air conditioner, Induction cooker, TV, Fan,shower etc ♦ Household ... PV, PP, PVC,PA, PE-HD,PE-UHMW etc) ♦ Aluminum (different grade),metal,brass ,copper3.surface treatment for prototypes painting ...