Total use has been made of all varieties of sophisticated techniques and technology to reach excelsior production. We inspect every single piece of bearing by ourselves ahead of shipping. It has recognized steady cooperation with many effectively recognized universities and institutes in china such as, Zhejiang College, Jilin College, Technological committee of nationwide chain generate standard, Institute of national chain generate, Zhejiang application engineering materials institute, Huhan content protection institute and it cooperated to identified China 1st Car chain institute with Nationwide chain travel institute.
