Mu Ding, currently the Secretary of the Party Committee, Chairman and President of Triangle Group Co., Ltd., Chairman of Triangle Tire Co., Ltd., Vice President of China Rubber Industry Association, Vice President of Tire Branch of China Rubber Industry Association, Vice Chairman of the Third Council of China Tyre Rim & Valve Standards Year Book, Vice Chairman of Rubber Professional Committee of The Chemical Industry and Engineering Society of China, Vice President of Chinese Association for Chemical Enterprise Cultures Construction, Vice President of Shandong Industrial Design Association, Vice President and Vice Chairman of Weihai Enterprise and Entrepreneur Federation, Vice President of Weihai Federation of Industry and Commerce (Weihai Chamber of Commerce), Vice President of Weihai Charity Federation, etc.