fpc pcb(UL ROHS) 1.UL,ROHS,ISO,SGS,Layer:2-20pcb 2.8 years experience ... Immersion gold circuit pcb, pcb & fpcb , multilayer pcb,fpc pcb(UL ROHS) Our Factory Manufacture Capability ItemManufacture CapabilityMaterialFR-4 / Hi Tg ... 3-7um Au:1-5u''OSP0.2-0.5umCertificateROHS, SGS, UL, ISO9001: 2008. if you have specific requirements, please feel free ...