... - research & development - testing –sample making - mass production - technical servicesHigh-quality supply channels and partnerson plastic parts, mold shell ... purchasing, * PCB assembly, test, packing and PCB delivery Technical Specification For PCB : Number of Layer1,2,4 or 6,upto 18 ... .In the meantime,we are able toprovide certificate for each kind of material,or UL certificate upon customers ...