Twin Ring Technology: Chairman resigns, elects Lu Qiang as chairman and appoints Huang Wanming as general manager.

Double Ring Technology announced that Chairman Wang Wanxin resigned due to age reasons and will not hold any position in the company after resignation. On March 3, 2026, the company held a board meeting and elected Lu Qiang as the chairman and legal representative of the company. Lu Qiang and Huang Wanming resigned from their original positions due to work adjustments, but will continue to work in the company. The board of directors appointed Huang Wanming as the general manager, with his term of office to expire at the end of the term of the eleventh board of directors.