... technology,strict quality requirement Detail Description of FPC:Specification: double-sided fpcb, Base material:PIBoard size per piece: 500mmX8mmBoard ... , iron substrate,plug-and-aluminum plate,single-sided and double-sided PCB, FPC,FR-4,multi-layer circuit boards, ... company product. Surface Furnishing: HAL, sinks the tin, tin-plating, nickel-plating, gold-plating, sinks the gold, anti- oxidized board ...