Group 1 - The core point of the article is that Guangxi Yuchai Machinery Co., Ltd. has obtained a patent for a system, method, and sensor related to engine oil pressure establishment time testing, with the patent announcement number CN114486268B and an application date of March 2022 [1] Group 2 - Guangxi Yuchai Machinery Co., Ltd. was established in 1993 and is located in Yulin City, primarily engaged in the manufacturing of specialized equipment [1] - The company has a registered capital of 4,729.89346 million RMB [1] - According to data analysis, Guangxi Yuchai Machinery Co., Ltd. has invested in 17 enterprises, participated in 945 bidding projects, holds 15 trademark information, and has 5,000 patent information, along with 1,195 administrative licenses [1]