single layer pcb 1.UL,ROHS,ISO,SGS,Layer:2-20 2.8 years experience in PCB 3.Drill Size:0.1mm,Line: ... & fpc , multilayer pcb, single layer pcbOur Factory Manufacture Capability ItemManufacture CapabilityMaterialFR-4 / Hi Tg FR-4 / Lead free Materials (RoHS Compliant) /CEM ... ±0.075mmPlatingHASL2.5umLead free HASL2.5umImmersion GoldNickel 3-7um Au:1-5u''OSP0.2-0.5umCertificateROHS, SGS, UL, ISO9001: 2008 ...