Sichuan Tongzhou Chemical Technology Co., Ltd. (Tongzhou), located at Science and Technology City of China (Mianyang), has an 18 years of specialized experience in research, production, and marketing of concrete admixtures. The manufacturing base of Tongzhou is more than 20000 square meters. Over the years, Tongzhou has been granted several awards & honors in China. Tongzhou is a leading concrete admixture company in Chinese construction industry, with an annual production capability of 100000 tons of concrete admixtures, including polycarboxylate, naphthalene, aliphatic, and amino sufonate superplasticizers, as well as expansion agents. Besides, polymer fibers, such as polypropene fiber, are also produced for concrete at Tongzhou. Our products are widely accepted and prais..