Our QC system cover IQC, PQC, FQC, OQC, each step have standard and strict operating documents. The QC workers, with excellent performance because of rich practical experience and systematic QC theory, are directly choosen from the production line.
Besides, advanced testing facilities and equipments are used in the whole QC process.

The combination of human being, equipments, rugulations help us achive the standards of scientization, Systematization and high-efficiency. Thus, it prevent the problem like the following:
* No outputs or unstable outputs
* Squeaky Noisy
* Burned or exploded
* Poor waterproof performance
* Short life span
* Poor packing