... :FR-4,CEM-1,CEM-3,High TG,FRS Halogen free ,RogersMax finished board size: 23*25 (580mm*900mm)Min. drilled ... : 3mil 0.075mmSurface finish/treatment(finish coattingOO) Hasl/hasl lead free ,Hal, Chemical tin, Chemical gold, immersion silver /gold,OSP,gold ... /black /white /red/blueLead time: 3-10days double sided pcb wholesale