Group 1 - The core point of the article is that Jiangsu Rudong Lianfeng Petroleum Machinery Co., Ltd. has obtained a patent for a device called "a single drill tool auxiliary lifting clamp," with the patent announcement number CN116084857B, and the application date is December 2022 [1] - Jiangsu Rudong Lianfeng Petroleum Machinery Co., Ltd. was established in 2004 and is located in Nantong City, primarily engaged in the manufacturing of specialized equipment [1] - The company has a registered capital of 51.07730884 million RMB and has participated in 401 bidding projects, with 4 trademark registrations and 56 patents, in addition to holding 10 administrative licenses [1]