gold‑plated PCB connectors supply

#Shorts how to find gold in computer cable connectors? visit my channel and watch all gold recovery and silver recovery from electronic scrap.

Preparation before making PCB Machine: ComMarker B4 60 MOPA Material: (PCB) copper clad board Engraving: speed 1000 power 90 frequency 30 pulse width 200 (multiple times) stop when cleaning to the resin layer Cutting: speed […]