1.Over 10 years experience in making Flexible pcb board 2.Flexible PCB board with competive price 3,Fast delivery time ... and through the printed through holes(PTH) covering the dielectric layer.Types:Single-sided, Double-sided, Multi-layers (max 6 ... layers) fpc board andRigid PCB, Aluminium boardSurface Finishing:Gold plating, HASL(LF),Electroless nickel immersion ...