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

 

panpan MA
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Jimmy Ling
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Carrie Cheung
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Ella Wong
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