Flexible printed circuit board / flexible FPC pcb board / FPC sample.high manufacture technology,strict quality requirement Detail ... substrate,plug-and-aluminum plate,single-sided and double-sided PCB, FPC,FR-4,multi-layer circuit boards, as well ... product. Surface Furnishing: HAL, sinks the tin, tin-plating, nickel-plating, gold-plating, sinks the gold, anti- oxidized board as well as each kind of ...