Group 1 - The core point of the news is the announcement of new ethylene-propylene rubber production capacity, with a project to produce 50,000 tons annually being publicly evaluated for environmental impact [1][8] - The project is initiated by Guangxi Huayi Chlor-Alkali Chemical Co., Ltd., a subsidiary of Shanghai Chlor-Alkali Chemical Co., Ltd., and is located in the Qinzhou Port Petrochemical Industrial Park in the China (Guangxi) Pilot Free Trade Zone [1][2][8] - Ethylene-propylene rubber is a synthetic rubber widely used in various applications, including automotive parts, waterproof materials for construction, wire and cable sheathing, heat-resistant hoses, tapes, automotive seals, and lubricant additives [2][9] Group 2 - Another project for a 50,000 tons/year ethylene-propylene rubber facility is being proposed by Lihua Yi (Lijin) Engineering Plastics Co., Ltd., with a planned location in the Lihua Yi area of the Lijin Coastal New Area Chemical Industry Park [3][10] - The project will occupy an area of 68,024 square meters and will include the construction of a corresponding auxiliary engineering, storage and transportation facilities, and environmental protection projects [3][10] - Additionally, Inner Mongolia Keda New Materials Co., Ltd. is planning a project to produce 50,000 tons of ternary ethylene-propylene rubber and 50,000 tons of rare earth polybutadiene rubber, with a total investment of 111.016 million yuan [4][11]