Group 1 - Zhejiang Zhongma Transmission Co., Ltd. has obtained a patent for an "Automobile Transmission Run-in Test Bench," with the authorization announcement number CN 223435747 U, and the application date is December 2024 [1] - The patent describes a utility model that allows for quick connection and subsequent positioning of the automobile transmission with the test positioning structure, making the operation relatively simple and easy to control [1] - The main structure of the application includes a run-in bench, test motor, fixed seat, and several movable clamping jaws, driven by a telescopic rotating cylinder, along with a track trolley [1] Group 2 - Zhejiang Zhongma Transmission Co., Ltd. was established in 2005 and is located in Taizhou, primarily engaged in the automotive manufacturing industry [2] - The company has a registered capital of 308.63 million RMB and has made investments in 5 enterprises, participated in 8 bidding projects, and holds 156 patent information [2] - Additionally, the company has 6 trademark information entries and 9 administrative licenses [2]