Henan Yuanbo New Materials Co., Ltd. was established in June 2017 with a registered capital of CNY 100 million. Now, we are located in the chemical industry cluster area of Puyang City in Henan Province, which is a fine chemical park approved by Henan Province in 2017. Covering an area of 85,376 square meters and owning a construction area of 40,000 square meters, Henan Yuanbo is a technology enterprise focusing on the research, development, production and sales of fine chemicals and new electronic materials. Now our company has 6 production lines and related supporting facilities with an annual output of 10,000 tons of tetrahydrophthalic anhydride, 5,000 tons of 1,2,3,6-tetrahydrophthalimide, 6,000 tons of tetrahydrophthalic anhydride derivatives and 4,000 tons of pharmaceutical intermediates. After several years of development, our company has its own technology research and development team and has established an engineering laboratory and technology center with the College of Science of China Agricultural University, and set up a professor workstation in our enterprise in 2023. With tetrahydrophthalic anhydride material as the source