Shouguang Zhengtong Chemical Co., Ltd. is located in Bohai Chemical Park at the south of Laizhou bay in Bohai Sea. Next to Binhai economic development park, we are only 35km, 178km and 200km away from Weifang city, Qingdao city and Jinan city; there are highways and railways to every place of China, and you can get to every corner in the world by Weifang port and Qingdao port; moreover, we are close to Jinan airport, Qingdao airport and Weifang airport, thus you also can reach every place in the world by aviation service directly. We enjoy good location and strong area advantages and wide development room. At present, Zhengtong is a chemical and professional production factory with production and trade.Products passed ISO9001 international quality system authentication. The company make product quality in the advanced level at home and abroad and product were well sold in China and other nations and areas in the world depending on advanced technology, scientific management, better products and sincere service. There are more than 200 employees, of which engineering technicians are thirty six. With the total investment of CNY 80 millions, we established sodium metabisulfite food additive factory, Sodium phosphate factory, calcium chloride factory, Magnesium chloride factory and bromine product factory, etc. Moreover, we have independent right of import and export . Our main products include: 50,000 T/A of Zhengtong sodium metabisulfite (food grade sodium metabisulfite is 20,000T/A, Industrial grade sodium metabisulfite is 30,000T/A); 30,000 T/A of anhydrous sodium sulfite (food grade is 10,000T/A, Industrial grade is 20,000T/A)；6.000 T/A of barium nitrate; 2.000 T/A of strontium nitrate. Taking the advantages of abundant underground brine resource, we now can yearly produce 20,000 T/A of quality calcium chloride, 10,000T/A of Magnesium chloride and 20,000 T/A of bromine series of products. Moreover, we have a salt field, which can produce 30,000T of salt every year. Meanwhile, our company still operates pure alkali, sulfur, sodium sulfite, sodium nitrate, etc. Upholding such tenet of “quality first, credit first” and ‘leading technology, diversified products”, Zhengtong is striving to offer you excellent service. We wish bold and unconstrained characteristic in Shandong province and sincere to make friends in the world and create together harmonious and beautiful future.