CEM-1 bare PCB board: 1.circuit board transparent 2.mainly for mid-east,Africa and egypt 3. ... for bulk 4.T/T,ESCROW CEM-1 bare PCB board:1.circuit board transparent2.mainly for mid-east,Africa and egypt3.9 ... ESCROW Base materialFR-1(94v0),FR-4,CEM-1,rogersMax Board size600*600mmBoard thickness0.4-3.2mmCopper thickness0.5-3ozSpecial techBGA ... Mid-east(Egypt,Iran,Isreal,Syria),Europea CEM-1 bare PCB board