1.strictly control of the raw material before producing
2.Every single process is required to go through the quality control . For those substandard half-product,some will re-process to the qualified product ,and some will drop out of the process.
3.Each massive order starts with the first inspect ,it means we make the one full-done product first ,and inspect each standard and the out-looking ,after all aspects are qualified,we will keep producing the rest product.
4.During the processing,the quality control worker sampling all the producing product .Once found out any problem will handle it instantly.
5.After all the product is done ,we test all the product ensure each mechanism can work well.