... 1. Our factory specializes in precision CNC machining Aluminum prototype part,plastic prototype,metal prototype as per your drawing ... ,PP,PPS,PEI,PEEK,PTFE,etc; various metal: Aluminum,Zinc,Brass,Copper,magnesium,45# steel,stainless steel,etc ... product,communication,medical product,lab disposable consumable,petrochemical industry,auto,aerospace,household product,(OEM). Various plastic materials: PP ...