During the production,there are 4 QC check:
1.Material QC check, before all material use on the production line. The QC worker will check them carefully, if any bad quality ones will not use on the production line, 80% failure have stop at this procedure.
2.Unfinished products QC check, when all components process finished and before assamble. The QC worker will check and test if they works fine. 95% failure have stop at this procedure.
3.Finished products QC check,after the products finished assamble,the QC worker will use professional instrument to test the proudcts and check their function, 98% failure have stop at this procedure.
4.Last QC check,after aging and before package. The QC worker will check again,99-99.7% failure have stop at this procedure.
Strict QC check just for your trust!