Establish sound quality assurance system in the whole product realization process. Kingclean is enjoyed with high reputation from customers for its low defects rate.We have complete designing standards and guides at the stage of the new products development, establish strict evaluation system to guarantee the quality for new products.2. Set up own strict quality standards for complete unit, set up one complete control method to security.3. Emphasize strict process of quality control: IQC,IPQC,FQC, and OQC etc . We guarantee the first inspection yield rate is more than 98.5%.4. Continuously improving quality, putting forward improving plan every month.