... double layer pcb with component assembly, electronic PCBA, smt pcba, pcba clone,small order acceptable, best price/quality Multi-Layer PCB *Layers:4 ... :OK We manufacure PCBs like single, double, multilayer, FPC for computers, machines, automobile accessories, cellhpones etc. And we also ... purchase components and do PCB Assembly.What we need: we need PCB Gerber or Protel file. For PCBA, we need extra ...