STG electronics Contract PCB assembly services provider, one-stop PCB assembly include PCB fabrication, components procurment, PCB assembly (PCBA), AOI testing and functional testing. We are capable of providing cost effective and high quality vertical manufacturing services From PCB assembly to final case assembly: Chip-on-board (COB) Surface-mount technology (SMT) Ball-grid array (BGA) Through-hole Primary competitive advantages: Profound knowledge of contract manufacturing servi