Weifang Tianhong Chemical Co., Ltd. mainly specializes in developing oceanic chemical. It is a joint-stock company integrating scientific research, development, production and management. It was established in 2002. It covers an area of 10,000 square meters. It's leading products include magnesium chloride, calcium chloride, and so on. Every year, it can produce thirty thousand tons of calcium chloride, twenty thousand tons of magnesium chloride.

Weifang Tianhong chemical is located in highly new technical industry development zone, Weifang city, Shandong province; here,geographical location is advantageous, salt resource is rich and transportation is convenient. Products are sold well in the national more than 30 cities and the area, and exports Europe,the Middle East, Southeast Asia,US,Canada,Japan,South Korea and so on. It has won the popularity in minds of consumers at home and abroad.