Welcome to Smart bes We offer:PCB,PCBA,Singe-side PCB,Double-side PCB, Multilayer PCB,Aluminium PCB,Spray Tin PCB,Immersed Gold PCB,HDI Mobilephone PCB,Gold-plating PCB,(printed circuit board with assembly)PCBA,SMT PCBA,DIP PCBA,PCB&PCBA Copy,PCB Assembly,OSP,HASL and so on PCBA (printed circuit board with assembly)a)Being a PCB..