Group 1 - The ASA special engineering resin project by Lihua Yi Group in Lijin County, Dongying City, has entered the trial operation phase, with a total investment of 2.2 billion yuan, marking the first integrated high-performance advanced materials production line in China [1] - The completion of this project signifies Lijin's successful transformation from petroleum refining to high-end chemicals and new materials, establishing nine industrial chains and becoming a leading integrated high-end petrochemical industry cluster in China [1] - The local government has continuously supported the transformation and upgrading of the petrochemical industry through funding, policies, and land resources, promoting the "Lihua Yi+" model to cultivate upstream supply chain enterprises and expand a composite industrial cluster [1] Group 2 - East Dongying Yimei Chemical Co., Ltd. has launched projects for 100,000 tons of butyl acetate and DOP plasticizers, benefiting from the proximity to Lihua Yi Group for raw material supply, significantly reducing transportation costs and time [2] - The development of the petrochemical industry towards high-end, intelligent, green, and clustered growth relies on innovation and intellectual support, with Lijin County planning to establish a high polymer materials research institute in collaboration with several universities [2] - Lijin County is also attracting high-level talent for scientific innovation and project cooperation through a special personnel program, enhancing research capabilities in key enterprises [2]