At WahShun, we use the latest techniques and technologies available for the fabrication and prototype of Surface Mount (SMT) and Plated-Through Hole (PTH) Printed Circuit Boards (PCB),expert in single side PCB(SSB), double-side PCB(DSB) and multi-layer PCB(MSB). By competiable price and IPC-600(Class II) specification and ISO 9001 accredited manufacturing service to be your strategic partner at the field of communication/mili-tary/comsumption electronic and etc