Flex Pcb Manufacturer

3L Flex PCB with Gold Fingers 1.7mm thickness Polymide+stiffener 4/8 mil line width/space ENIG（2U”）+Flash gold 30u" outer 1oz finished, inner 0.5oz finished solder mask: yellow for both side solder mask thickness: 50um silkcreen: White hole wall: 25um （min) Acceptance Standard): IPC Class 2 100% AOI Test ISO.9001/CQC/ISO.TS16949/ROHS Application：Consumer/home/network