... Electronic components for many years.We can prvide a package of service: pcba pcb assembly ts16949, pcb assembly service, DIP ... :HASL /HASL lead free,HAL,Chemical Gold/tin,Immersion Silver/Gold/Tin,OSP,Gold plating,Hard&Soft gold,Plating tin,Solder mask color :Green/yellow ... certificates andour products meet Rohs Standards.If our boards are of problem, we refund you totally! Welcome to KangDong! We ...