Professional industrial control board PCB R&D service and PCA; Fast delivery ... 1um to 5um1.PCB designing/prototype/fabrication and PCBA service.2.Multilayer PCB&PCBA.3.Possess UL, ISO9001, ROHS,etc ... range of fields such as electromechanical equipments,industrial automation control devices,home appliance control,medical instruments,electronic information,automobile electronics, communication ...