... .9 days for bulk 4.T/T,ESCROW CEM-1 bare PCB board:1.circuit board transparent2.mainly for mid-east,Africa and egypt3 ... .9 days for bulk4.T/T,ESCROW Base materialFR-1(94v0 ... ),FR-4,CEM-1,rogersMax Board size600*600mmBoard thickness0.4-3.2mmCopper thickness0.5-3ozSpecial techBGA,PTH,model ...