1,High quality and reasonable price products,with best service and fast shipping. 2,Certification SGS & Rohs. 3,PCB copied. PCB assembly,PCBA,SMT,DIP process.Technical requirement:1) Surface-mounting Technology(SMT) and Through-hole/DIP2) 0201,0402,0603 size components SMT technology and lead free technology3) ICT(In Circuit Test),FCT(Functional Circuit Test) technology.4) UL,CE,FCC,Rohs ...