Computer USB connector 1.Smooth surface,burr-free 2.High precision,good ... Korea, Japan, Europe and America, etc.Production details:Zinc casting computer USB connector part Materialaluminum alloy A380,A360.ADC12,Zinc alloy 3 ... .Foundry in-house2.Third Party inspection available upon requirementPackingPearl cotton bag inner and plastic pallet and export carton PaymentT/T,L ...