Tianjin Kaifeng Chemical Co., Ltd. (Tianjin Donghai Chemical Factory) was established at the early of 1989 with an investment over RMB 10 millions. Years later, Kaifeng has become a Chinese specialized manufacturer of Calcium Hypochlorite and Bleaching Liquid. These products are enjoying a nice reputation for their advanced processing technology and superior quality.

Located at the south end of Xiqing District in Tianjin city, with a distance of 200m from national highway 205 and 40KM from Tianjin Port, Tianjin Kaifeng Chemical Co., Ltd. (Tianjin Donghai Chemical Factory) enjoys a geographical advantage in goods-transportation and circulation.