1.single-sided composite al base pcb board 2.Fast delivery,competitive price 3.ROHS, UL, ISO9001-2000, ISO14001 1. single-sided composite ... gold,immersion gold,OSP,immersion silver,immersion tin,peelable mask Board Size: 650mm*1000mmBoard Layer: 1L-4LBoard thickness: 0.8mm to ... PCB at the soonest al base for 1-layer printed circuit board