1. Al base material,1oz copper, board T1mm 2. Immersion gold with plating silver 3. Excellent quality with competitive price 1. Al base material,1oz copper, board T1mm2. Immersion gold with plating silver3. Excellent quality with competitive price4. Application for commercial lighting , led buld, and spot light and table light.5. Certificate: ROHS, UL, ISO9001-2000, ISO14001Our Manufacturing ...