TIANJIN ZHENTAI CHEMICAL CO., LTD, is Located at Tianjin zhongwang high-tech development Zone and Covering an area of 10,000M2,is a Chemical high-tech group company with an integrated system of researching and development, production, and marketing and sales ability. Now we mainly produce organic chemicals of N-Ethyl-Ethylenediamine, and inorganic chemicals of Sodium Bisulphate, Sodium metabisulphite, Sodium Sulphite anhydrous, Sodium Bisulphite, Potassium Bisulfate etc.