Group 1 - The core point of the article is that Jiangtian Chemical announced the convening of its fourth board meeting to review the 2025 semi-annual report and its summary [1] - For the year 2024, Jiangtian Chemical's revenue composition is as follows: 99.49% from chemical product manufacturing and 0.51% from chemical product trading and other businesses [1] - As of the report date, Jiangtian Chemical has a market capitalization of 4.5 billion yuan [1]

Group 1 - The State Intellectual Property Office of China shows that China Petroleum & Chemical Corporation and China Petrochemical Group Chongqing Chemical & Chemical Co., Ltd. have applied for a patent titled "Ethylene-Vinyl Acetate Copolymer Solution and Its Preparation Method and Application" with publication number CN120059023A, filed on November 2023 [1] - The patent involves the field of resins, detailing a method for preparing ethylene-vinyl acetate copolymer solution, which includes polymerizing vinyl acetate with ethylene in the presence of a first solvent and initiator, followed by mixing the product with a second solvent and a terminator [1] Group 2 - China Petroleum & Chemical Corporation, established in 2000 and located in Beijing, primarily engages in the petroleum, coal, and other fuel processing industries, with a registered capital of approximately 12.17 billion RMB [1] - The company has invested in 255 enterprises, participated in 5,000 bidding projects, holds 45 trademark records, 5,000 patent records, and possesses 39 administrative licenses [1] Group 3 - China Petrochemical Group Chongqing Chemical & Chemical Co., Ltd., founded in 1980 and based in Chongqing, focuses on the manufacturing of chemical raw materials and products, with a registered capital of approximately 731.13 million RMB [2] - The company has invested in 15 enterprises, participated in 4,917 bidding projects, holds 14 trademark records, 653 patent records, and possesses 703 administrative licenses [2]

Group 1 - China Petroleum & Chemical Corporation (Sinopec) has applied for a patent for a "Sample Particle Dispersion System, Method, and Laser Particle Size Analyzer Equipment" with publication number CN119901561A, filed on October 2023 [1] - The patent aims to provide a system that includes a dispersion unit, recovery unit, and conveying unit, which allows for the recycling of dispersing agents, reducing consumption and waste treatment costs while ensuring the accuracy of laser particle size analysis [1] Group 2 - China Petroleum & Chemical Corporation was established in 2000, located in Beijing, primarily engaged in the petroleum, coal, and other fuel processing industries, with a registered capital of approximately 12.17 billion RMB [2] - Sinopec has invested in 257 companies, participated in 5,000 bidding projects, and holds 45 trademark records and 5,000 patent records [2] - Sinopec Catalyst Co., Ltd. was established in 2013, also located in Beijing, focusing on the manufacturing of chemical raw materials and products, with a registered capital of 150 million RMB [2] - Sinopec Catalyst has invested in 12 companies, participated in 2,112 bidding projects, and holds 818 patent records [2]