Group 1 - China Petroleum & Chemical Corporation (Sinopec) has applied for a patent titled "A Method for Capturing PX Gas Phase Oxidation Products," with publication number CN121288508A, filed on July 2024 [1] - The patent describes a method for capturing products from PX gas phase oxidation, specifically para-methylbenzaldehyde and phthalaldehyde, without introducing additional absorbents, achieving capture rates greater than 95% for phthalaldehyde and over 97% for para-methylbenzaldehyde [1] - Sinopec, established in 2000 and based in Beijing, primarily engages in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB, and has invested in 269 companies and participated in 5000 bidding projects [1] Group 2 - Sinopec Yangzi Petrochemical Company, founded in 2006 and located in Nanjing, focuses on oil, coal, and other fuel processing, with a registered capital of approximately 1.57 billion RMB, and has invested in 13 companies and participated in 5000 bidding projects [2] - The company holds 20 trademark registrations and 1028 patent records, along with 13,078 administrative licenses [2]

Core Viewpoint - The company, Zhong Chumai, is engaged in the research, production, and sales of specialty molecular sieves and catalytic new materials, with applications in various industries including environmental protection and energy chemistry [1] Group 1 - The company is unable to obtain market share data due to the numerous sub-segments within the industry [1] - The company plans to actively expand its business layout and continuously improve its profitability [1]

Group 1 - The State Intellectual Property Office of China shows that Nantong Liyang Chemical Co., Ltd. and Nantong Acetic Acid Chemical Co., Ltd. have applied for a patent for a purification method of 2-cyanopyridine, published as CN120136782A, with an application date of December 2023 [1] - The purification method involves using 2-methylpyridine as a raw material and ammonia-oxygen catalysis to produce crude 2-cyanopyridine, which is then purified using an adsorption column with metal adsorbents, achieving a purity increase from 99.8% to 99.99% [1] - The method reduces distillation energy consumption and costs, while also extending the shelf life of the high-quality 2-cyanopyridine, preventing discoloration and improving market share [1] Group 2 - Nantong Liyang Chemical Co., Ltd. was established in 2007, located in Nantong City, primarily engaged in the pharmaceutical manufacturing industry, with a registered capital of 80 million RMB [2] - The company has participated in 31 bidding projects and holds 40 patents, along with 187 administrative licenses [2] - Nantong Acetic Acid Chemical Co., Ltd. was founded in 1959, also located in Nantong City, focusing on the manufacturing of chemical raw materials and products, with a registered capital of 207.381 million RMB [2] - The company has invested in 15 enterprises, participated in 13 bidding projects, and holds 173 patents, along with 25 administrative licenses [2]