Selective plating hard gold PCB

Selective plating hard gold pcb is actually an electroplating alloy (that is, plated with Au and other metals), so the hardness will be harder. It is suitable for use in places that require force and friction, and used as the edge contact point of the circuit board (commonly known as ”Gold finger”. Hitech, a profesional electroplating hard gold pcb factory in China. https://www.hitechcircuits.com https://www.hitechpcba.com https://www.htmpcb.com sales20@hitechpcb.com +86 13302435080