Product Quality
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ADD Industry has continually improved the products quality and has made it an important part as the company's sustainable development strategy, and actively building a modern enterprise quality management system. ADD Industry passed the NSF-ISR's ISO/TS16949 quality system registration certificate in May 2006.

In order to meet the matching requirements from domestic and foreign automobile manufacturers, ADD Industry has set the strict internal control standards, prepared a complete and detailed industry documents for the purpose of guiding production. The genuine quality of products relay on precise product design, quality raw materials, advanced production technology and reliable production process as well as featuring packaging style. ADD products have passed the tests launched by the "National Bus Quality Inspection Center ", "Tianjin Automotive Test Center" and "Zhejiang Fangyuan Inspection Center". ADD products quality has reached the advanced level of similar products in domestic markets.