EPG has established up a comprehensive set of top quality management method which is presented with superior inspection and examination gear. Moreover, all our creation processes are in compliance with ISO9002 specifications. It has established secure cooperation with a lot of effectively known universities and institutes in china such as, Zhejiang University, Jilin University, Complex committee of nationwide chain drive standard, Institute of national chain travel, Zhejiang software engineering material institute, Huhan material security institute and it cooperated to found China 1st Car chain institute with Nationwide chain push institute.