Huahai Qingke Co., Ltd. has recently announced the acquisition of a patent titled "A Polishing Protection Device, Chemical Mechanical Polishing System, and Polishing Method," carrying the application publication number CN119609920A and dated March 14, 2025. This patent pertains to advancements in protective technologies and methodologies for chemical mechanical polishing systems, although the intricate technical details remain under wraps for the time being.