... copper, board T1.6mm 2.Transparent solder mask,HASL lead-free 3.Fast delivery time,with competitive pricing 1. FR4 white material, ... 1oz copper, board T1.6mm2. Transparent solder mask,HASL lead-free3. Fast delivery time,with ... quality management system,Ensure the qualiy of all productsExcellent quality with Low-cost Protopype pcb: $100 for 10 pcsQTY: 10pcs ...