Founded in 2003, Zhengzhou Dingli is a enterprise with 200 employees committed to enhancing client productively, profitability and safety. has developed more than patented products for producing electrical energy from common organic materials. At all ...

Huanghua Guangming Instrument Co., Ltd was established in 1988, and reformed 2007, covers an area of over 38, 000 square meters, located economic technology development zone near Tianjin Xingang seaport with very convenient transportation environment. is ...