Group 1 - The core point of the article is that Guangxi Yuchai Ship Electric Power Co., Ltd. has obtained a patent for a "Diesel Engine Diesel Filter Monitoring Device and Method," with the authorization announcement number CN119754975B and an application date of December 2024 [1] - Guangxi Yuchai Ship Electric Power Co., Ltd. was established in 2017 and is located in Yulin City, primarily engaged in wholesale business [1] - The company has a registered capital of 856 million RMB and has made investments in three enterprises, participated in 145 bidding projects, and holds 783 patent records, along with 219 administrative licenses [1]