... 3. Application for communication with competitive price 1.FR4 material,6 oz copper, board T1mm2.Green solder mask, flash gold3. ... . Certificate: ROHS, UL, ISO9001-2000, ISO14001Our Manufacturing Capability for PCB BoardMaterial type: CEM-3,FR-4,FR-4-TG170/TG180 ... Layer: 1L-26LBoard thickness: 0.2mm to 6.0mmFinished Copper thickness: 0.5 OZ to 6 OZCopper thickness in hole: >20um 6 layer Mobile pcb ...