We, Tianjin Zhentai Chemical Co, Ltd.（new factory: Cangzhou?Coastal-port?Forever?Rich?Chemical?Co.,?Ltd.）, focus on the production and development of chemicals. We are the ISO certified factory with more than 30 years history. We mainly produces four series of products. 1.Sulfite series, E.g.: Sodium Bisulphite (powder & liquid), Sodium Sulphite, Sodium Metabisulphite, Sodium thiosulphate, Sodium Thiosulphate Anhydrous, Sodium Bicarbonate, Sulfurous Acid 2.Sulfate series, E.g.: Sodium Bisulphate, Sodium Bisulphate Monohydrate, Potassium Bisulphate, Ammonium Hydrogen Sulfate 3.Pharmaceutical/ pesticide intermediate series, E.g.: N-Ethyl Ethyenediamine (NEED), N,N-Diethylethylenediamine, N,N'-Diethylethylenediamine 4. Others, E.g.: Barium Oxide Our products have been exported to many countries and regions, such as America, Europe, South America, Middle East, Southeast Asia, Africa etc., and very popular in both inland and abroad markets. Besides, we also supply the products to many world famous multi-national corporations. “Quality first, Credit good” is our consistent principle. We wish to be together with our friends from all over the world to create wealth and go to resplendence.