H.J.CO.LTD (CHINA) OF NEW TECHNOLOGY DEVELOPMENT IN CHEMICAL INDUSTRY (short for HJ COMPANY)is belonging Hi-Tech enterprise , located in Bei Chen district,Tian Jin.We provide professional designing servings to the clients such as: the development of new technique and process, the process package designing of manufacturing plant and the improving & updating of the current plant in the field of Nitric Acid, Nitrate, and Nitro-compound Fertilizer.

HJ has over 30 employees who are chemical process, equipment, and instrument technical personnel’s and site conditions serving staffs consisting of national and abroad experts, masters, experienced technicians from the production line.

After a number of years’ development, HJ owns more than twenty patents and expands its business to more than twenty cities bringing good economic and social effects to the clients.