On March 3, Kong Quan, Secretary of the Party Committee of East China Branch of Sinopec Chemical Sales Co., Ltd., and his party came to Henghe to conduct in-depth research on the comprehensive utilization technology and products of C5 and C9. Chairman Yang Mengjun, Vice Chairman Hu Jiangqing and Chief Engineer Sun Xiangdong led Kong Quan and his party to visit the company's central control hall and product display, and had a discussion and exchange.

      The C5 &C9 fraction is one of the by-products of ethylene engineering, and was often consumed as a liquid fuel. Henghe pioneered the comprehensive utilization of C9 & C5 recycling technology, combined with the self-developed petroleum resin hydrogenation process, to produce high-end petroleum resin products with high added value.

      Seeing the dazzling variety of petroleum resin products, Kong Quan learned about the performance and function of the products in detail, and fully affirmed the contribution made by Henghe in the field of comprehensive utilization of carbon five and carbon nine. At the same time, Kong Quan said that he will continue to promote the sincere cooperation between Sinopec Sales Company East of China Branch and Henghe, and jointly promote the development of the C9 & C5 industry chain.