... bill of material. Components procurement is one of the featured service we can provide. IC, battery, fuse, LCD, transformer, LED Diode ... PCB & multilayer PCB with competitive price, good quality and excellent service.2. FR-4, FR-4 High TG, CEM-1, CEM ... IPC610 Class 2 international PCB standard.5. Quantities range from prototype to medium and batch production. Pcba assembly service for power board ...