The 13th World C5C9 and Petroleum Resin Industry Conference, held from October 13th to 15th, 2020 at the Crowne Plaza Hotel in Zhangjiajie, has come to a successful conclusion. This topic covers a comprehensive range of topics. Experts analyzed the 14th Five Year Plan, China's highway infrastructure investment, and major projects, and analyzed the current situation and development expectations of China's C5C9 industry, the opportunities and challenges faced by the C5C9 industry chain, and the development prospects of China's PDCPD industry. Mr. Yan Shiheng, Vice Chairman of the China PDCPD Industry Alliance, delivered a speech at the conference, answering questions about the industrialization and development expectations of China's PDCPD industry, as well as the application and future development prospects of PDCPD in the automotive and other fields.