Rui Desheng chemical, sodium metabisulfite] [Weifang, sodium metabisulfite provided by 瑞德胜 chemical. We are Weifang Rui Desheng Chemical Co., Ltd. (www.ruidesheng.com) located at: Shandong Weifang specializes in: sodium sulfate, sodium metabisulfite, deicing salt, calcium chloride, sodium bicarbonate, the company is located in the country's largest production base of marine chemical Shandong Weifang Ocean Chemical High-Tech Industrial Development Zone. Its convenient transportation, beautiful environment, outstanding, unique geographical location. My company will make unremitting efforts and perseverance in pursuit, excellent quality and perfect service and corporate image, to pursue "with integrity survival, relying on technology and development, quality as the fundamental" business philosophy, to meet customer needs. Sodium metabisulfite is to prevent deterioration of the black sea shrimp, chilled seafood commonly used chemical reducing agent, sodium metabisulfite after fishermen fishing, often transported on board fishing vessels, or added directly Shandong sodium metabisulfite, and more general use in summer, spring and autumn use less food grade sodium metabisulfite, winter basically not used. In aquaculture in sodium metabisulfite is decomposed into sulfur dioxide, sulfur dioxide and water to generate sulfurous acid, sulfurous acid with reducing its effective control of aquatic browning, blocking microbial oxidation of Weifang physiological sodium metabisulfite, inhibiting reproduction, inhibition of food oxidase activity and chromophore, and show its bleaching, bleaching, antiseptic and antioxidant effects.