![](//sc02.alicdn.com/kf/Hfcb54ba7b9364c7bb15d9c23764ac1e8K.jpg)
Plug-in - soldering - shearing foot - welding - repair welding - check solder joint - semi-finished product power test - assembly shell, front shell - glue - cover back shell - finished product test, no load, with load, high pressure and low pressure - ultrasonic, (QA) compaction - aging - finished product test - check brand name - clean - packaging
![](//sc01.alicdn.com/kf/H3ba46c71dd5741e4857cedac6d71e0d5t.jpg)