we are self-assured to offer our customers versatile and diversified services.We provide OEM services. It has recognized secure cooperation with numerous properly known universities and institutes in china this kind of as, Zhejiang University, Jilin University, Technical committee of countrywide chain drive common, Institute of national chain generate, Zhejiang application engineering material institute, Huhan content safety institute and it cooperated to located China Very first Automobile chain institute with Countrywide chain drive institute.