... various of electric appliances PCB design and assembly Electronice printed circuit board assembly(PCBA) PCBA specific instructionMaterial:FR-4Layer: ... Red, yellow, white, black, purplePCBA&SMT PCB&PCB SMT&electronic assembly&pcb electronicProcessing:uses the SMT non-lead craft, meets the ... company in 2009all over the worldwithin 10-20days electronic assembly, PCB assembly for printed circuit board