Professional production and sincere service! Specialized in sodium metabisulfite, sodium nitrate and sodium nitrite! Located in the largest production base of ocean chemicals in Shouguang, China! Shouguang Yujing Business & Trade Co., Ltd. is located in the world well-known vegetable base-Shouguang city, close to the Bohai Bay in Shandong; at a distance of 150km from Qingdao Port; enjoying favorable location and convenient transportation.Since 2006, our company is devoted in producing ocean chemicals. Our main products are sodium metabisulfite, sodium nitrate, sodium nitrite and sulfur, etc. We have two factories, one mainly manufactures sodium metabisulfite. Its annual output is 50,000 tons. The other is specialized in producing sodium nitrate and sodium nitrite; with an annual o..