Group 1 - The core point of the article is that China Petroleum & Chemical Corporation (Sinopec) has applied for a patent related to a method and device for packaging and coding silk spools, which aims to enhance efficiency in the coding process for operators [1][3] Group 2 - Sinopec was established in 2000 and is headquartered in Beijing, primarily engaged in the petroleum, coal, and other fuel processing industries [2] - The company has a registered capital of approximately 12.17 billion RMB and a paid-in capital of about 8.06 billion RMB [2] - Sinopec has invested in 269 companies and participated in 5,000 bidding projects, holding 45 trademark records and 5,000 patent records, along with 39 administrative licenses [2]