1.FR4 material,6 oz copper, board T1mm 2.Green solder mask, flash gold 3. Application for communication with competitive price 1.FR4 material,6 oz copper, board T1mm2.Green solder mask, flash gold3. Excellent quality with competitive price4. Application for communication5. Certificate: ROHS, UL, ISO9001-2000, ISO14001Our Manufacturing Capability for PCB BoardMaterial type: CEM-3,FR-4,FR-4-TG170/ ...