Zhengzhou Great Wall Instruments Co., Ltd. is the headquarters established by Zhengzhou Changcheng Science, Industry & Trade Co., Ltd in Zhengzhou, a national hi-tech industry development zone of China. It is new technological innovation company integrating research, development, manufacturing and operation. Ever since its establishment, the company has employed great effort in development and innovation with respect to laboratory instrument and equipment and has gained increasing customer demands, widening product application in academies, science research institutions as well as biological, chemical and pharmaceutical enterprises, and extensive business connections with a number of countri ... more