... years of experience in PCB industry fast delivery and competitive prices UL,SGS,ISO9001,RoHS,QS9000,TS16949 Layer:1 ... Impedance (Ohm)±7% - 10%±7% - 10%PCB picturesPCB factoryPCB production capacity Double sided PCB 200000 ft2 /MonthMultilayer PCB320000 ft2/MonthHDI PCB80000 ... the above description is to demonstrate the ability of our PCB factory, if you have specific requirements, please feel free ...