As a national high-tech enterprise, Xingtai Risun Chemicals Limited is located in Risun Xingtai Base, Risun Economic Development Zone, Xingtai, Hebei Province. It was established in March 2014 with a registered capital of 219 million yuan and covers an area of 83 mu. It currently has a 2×40,000 tons/year phthalic anhydride plant, which uses naphthalene method or mixed method fixed bed gas-phase catalytic oxidation method to produce phthalic anhydride. The process is advanced and has the advantages of cleanliness, environmental protection, high operating load, high degree of automation, high product quality, low investment, low energy consumption, and low consumption. All of its phthalic anhydride products have reached the national standard for superior products, and have obtained honors and qualifications such as National Green Factory, Excellent Production Enterprise of Phthalic Anhydride in China, Vice Chairman Unit of China Phthalic Anhydride Industry Association, A-level Environmental Performance Enterprise in Organic Chemical Industry, Single Champion Product of Manufacturing Industry in Hebei Province, A-level R&D Institution of Industrial Enterprises in Hebei Province, SRDI Demonstration Enterprise in Hebei Province, Leading Enterprise of County-level Characteristic Industrial Clusters in Hebei Province, Demonstration Enterprise of Safety Culture in Hebei Province, and Water-saving Enterprise in Hebei Province.