Lamination

PTH line

 Punching

Electrical testing

CNC drilling

Inner layer photo transfer

Pretreatment and image transform

Getting rid of the burr

 Etching

CNC

Silk screen

Copper Surface treatment

Graphic Galvanization

Out layer figure transfer

Micro Etching and soldermask  Printing 

Punching hole polarization

Automatic optical inspection

Blackening