Research and development: As a high-tech enterprise in Hebei Province, a small science & technology giant enterprise and a R & D Center for industrial enterprises in Hebei Province, the company has strong technical force, has a professional technical team, relies on scientific and technological progress and technological innovation, cooperates with scientific research institutions and colleges for a long time, and owns the central laboratory. It has independently developed a high-efficiency pyromellitic dianhydride catalyst with excellent performance, which is domestic initiative. It has won the national invention patent and the support of the technical innovation fund of the Ministry of science and technology, and provides catalyst technical services for more than 80% of PMDA manufacturing enterprise in China. Hope adheres to the quality policy of "continuous improvement and strive for perfection", adopts advanced quality testing equipment and provides guarantee for product quality through perfect quality management system.