Weifang Hongyuan Imp. & Exp. Co., Ltd. Is located in Weifang City, Shandong Province, an import chemical production base of China. Our company could produce and supply many chemical products which are mainly exported to the international markets from 1996. Our main products are calcium chloride, calcium bromide, calcium bromate, sodium bromide and some other mud chemicals. As a leading manufacturer of calcium chloride, we could produce every kind of it, including flakes food / ind. Grade (74% ...