Relying on the R&D center platform, Chengda have totally applied 8 China patents including 4 invention patents and 2 utility model patents which its patent authorization have been obtained in recent years. Furthermore, R&D center undertakes and completes a number of national Torch plan, national level new products, technology and the industrialization of high technology projects from commerce ministry and Zhejiang province. We have completed 25 provincial new products achievement appraisal, in which 6 projects are classified as provincial high technology products. A number of product and technology are awarded from all levels of goverments.