Provide the copper plate have pretreated
UV ink is printed on the bending part of copper plate
The surface of copper plate is browned by using browning liquid
Press and drill copper plate covered with UV ink
Electroplate the first finished product
Make outer layer on copper plate
Solder mask printing on copper substrate
V – CUT the second finished product
The bending position of copper plate is surface treated and the finished product is obtained
Check up case ,packing and shipping
1、Gold, silver and copper in PCB