On March 6, 2026, Chongqing NBY's utility model patent "A Machining Device for Automotive Shock Absorber Housing" was officially authorized by the National Intellectual Property Administration. This patent optimizes the integrated molding and grinding tooling of the shock absorber housing, solving the pain points of positioning deviations and time-consuming mold changes in traditional equipment. It can increase the housing machining yield rate to 99.7% and the daily capacity of a single production line by 12%. Forming an independent process system for all procedures, it provides stable technical support for the supporting supply to OEMs such as Changan, BAIC, and Great Wall.