... rectifier stack, small and special electrical machine etc.), plastic encapsulation of small,middle and large scale molectron(DIPSOPQFPBGA etc ... authentication.Main product is : HY-E series EPOXY MOLDING COMPOUND plastic, this product has six series(HY-E100~HY-E600) ... rectifier stack, small and special electrical machine etc.), plastic encapsulation of small,middle and large scale molectron(DIP,SOP ...