1. FR4 material,1oz copper, board T1.6mm 2. Transparent solder mask,HASL lead-free 3. Fast delivery time,with competitive pric 1.FR4 white material,1oz copper, board T1.6mm2.Transparent solder mask,HASL lead-free3.Fast delivery time,with competitive pricing4. Certificate: ROHS, UL, ISO9001-2000, ISO14001Our Manufacturing Capability for PCB BoardMaterial type: CEM-3,FR-4,FR-4-TG170/TG180,Halogen ...