All holmium laser fibers can be used universally. According to relevant public information inquiries: the optical fiber can be used with common domestic holmium laser therapy brands, including American Lumenis, German Dornier, Shanghai Ruiken, Beijing Aikekaineng, and Hefei Hanzuke Holmium laser treatment systems from domestic and foreign manufacturers such as Ruida, Dahua Laser, and Guangzhou Pudong Optoelectronics.