1)  First article is implemented, along with self-inspection and spot check in each processing to inspect quality.
2)  To supervise our manufacturing process and working process through regular spot checking.
3)  Tools are stardardized with indicated placesa in lines properly.
4)  Regular maintainance and calibriation are applied for accuracy and validity of instruments and equipments.
5)  Training is a way to keep improving workers' skills.
6)  To provent any potential problem and make improvement actions during our quality control.