... ,ROHS TS16949 3. circuit board 4. pcb IPC approved multilayer circit board with ENIG surface finishing 1.10 year experiences2.UL,SGS ... maximum 20 ,Flexible PCB maximum 16.§ Specializing in High-Tech multilayer§ Large Production Capability 80000 Square meter / month§ Professional engineering ... GPS parts PCB board,PCB board ,PCB board ,PCB board , multilayer circuit board with ENIG surface finishing