... LED optical lens,plastic LED lamp base/holder,LED lamp socket/connector,etc.2. Plastic material:PC,PBT,ABS,PA,PC ... Mould material:718,2738,S136, SKD61,H13,SKD11,etc, with high hardness.Advanced equipments:precision grinder,milling machine,driller, ... full automatic injection machine ,projector,ultrasonic welder.20-years-experience professional mould engineers ,with the software:UG,Proe,AutoCad, for ...