The company has always adhered to the management concept of "innovation is endless, management benefits" and strictly

controlled the quality. We have effectively implemented a complete and strict quality management system. The quality

inspectors are well-equipped with complete test method, test instruments and laboratory equipment. All the testing

indicators are under effective control. On the basis of the implementation of various certification systems, a set of systematic

and strict quality control measures has been formulated and implemented in every link of daily production, such as raw

material procurement, production and processing, and finished product inspection.