... Layer rigid PCB 2.Layer:1-35, 3.good quality and reasonable price 3.UL,ISO9001,ISO14001,TS16949,CE,. 4 Layer rigid PCB 4 Layer ... rigid PCB4 Layer ... telecommunication,computer,industrial control,automobile,appliances and LED displays etc 2.Our factory has passed SGS ISO9001, TS16949 , all our ...