... 5-7 days 4.ISO9001,UL,ROHS,SGS standards 1.PCB manufacturer specialized in this field for ... /CEM-3, Aluminium, Metal based/RogersLayer No.1-16Finished Board thickness0.2mm-3.8mm(8mil-150mil ... .5umLead free HASL2.5umImmersion GoldNickel 3-7um Au:1-5u''OSP0.2-0.5umOutlinePanel Outline Tol (+/-)CNC ... , Black,Yellow, etc.CertificateROHS, ISO9001:2008, SGS, UL single layer pcb with immersion gold