Mu Ni Hei Expo Group / National Gong Shang Lian Huan Jing Chamber of Commerce / Zhong Mao Mu Ni Hei Exhibition (Shanghai) Co., Ltd. organizes and supports trade fair projects including IE expo Chengdu 2026. Its work covers exhibitor services, visitor engagement, industry coordination, and on-site operations, helping companies present products, meet partners, and develop business opportunities.