Tianjin Ruister International Trade Co., Ltd. is located in Tianjin Port Free Trade Zone, we enjoy good location and convenient delivery ways. As a specialized manufacturer of sodium sulphide and sodium hydrosulphide in China, we set our factories in Hebei province. Presently, we have established close cooperation relationships with our customers, and our products have been well-received and highly appraised by our customers in over 30 countries and regions . After years&＃039; hard work, Ruister now has become a manufacturing and trading companies specializing in the export of many kinds of industrial chemicals, food additives and so on. besides sodium sulphide and sodium hydrosulphide, we also supply sodium metabisulphite, Aspartame, Sodium Benzoate, sodium formate, hydrogen peroxide, Formic Acid, magnesium nitrate, calcium nitrate and so on. Upholding such tenet of "Credit first, Quality first, Service first", Ruister looks forward to cooperating with friends all over the world for bright tomorrow.