... competitive price 1.FR4 material,6 oz copper, board T1mm2.Green solder mask, flash gold3. Excellent quality ... ROHS, UL, ISO9001-2000, ISO14001Our Manufacturing Capability for PCB BoardMaterial type: CEM-3,FR-4,FR-4-TG170 ... , immersion silver,immersion tin, Carbon ink,peelable mask Board Size: 650mm*1000mmBoard Layer: 1L-26LBoard thickness: 0 ... OZCopper thickness in hole: >20um 6 layer Mobile pcb board