Wentong Potassium Salt Group is the largest Potassium Carbonate manufacturer worldwide and the largest Potassium Nitrate manufacturer in China, the group is also the technology forerunner and regarded as one of the ten private enterprises protected and supported by Shan xi government. The group’s main products, including Potassium Nitrate, Potassium Carbonate, Calcium Nitrate, Calcium Ammonium Nitrate, Compound Fertilizer Insoluble, Potassium Ammonium Nitrate, Ammonium Chloride, Calcium Chloride ,Potassium Bicarbonate etc. In 2001, Wentong moved its Headquarters to Shanghai. The group established a project of forming the coal related production chain together with Qinghai Salt Lake Industry Co., Ltd in year 2003, which is the national largest potash fertilizer production base. Finally the large-scale enterprise’s new structure, with its production base in Shan xi, marketing center in Shanghai has been established. In 2006 and 2007, Wentong group cooperated with Qinghai Salt Lake Industry Co., Ltd for a production project of 400000MT/year Potassium Chloride, 200000MT/year agricultural Potassium Nitrate and 80000MT/year Potassium Carbonate in Salt Lake.Along with the constant and rapid development and durative extended sales scale, Wentong group puts more effort in R&D, which results in some new products coming out including prill Potassium Nitrate, agricultural Potassium Nitrate, Calcium Nitrate, Granular Calcium Nitrate etc. These new products has filler the domestic blank in the industry, and the new technique represents the international leading technique, especially for the new water soluble fertilizer such as: Potassium Nitrate, Granular Calcium Nitrate, satisfied the market demand for “efficient, water soluble, and environmental concerned” new type of fertilizer, and made great contribution for agriculture development.Guided by the markets, Wentong Group always sticks to scientific & technological innovations, and transforms the strength in various energy and material resource into marker advantage, at the same time, the group utilizes the benefit of being in Shanghai, where has information, transportation and human resource advantage to establish a marketing team which has sales experience and innovative service concept, meanwhile, the group formed the marketing channels that cover both domestic and international market. The long-time, steady and high market possession rate for the group’s Potassium Nitrate and Potassium Carbonate has made Wentong group the leading company in the industry.