On the morning of March 10, the 21st China Electrical Culture Festival and International Electrical Products Expo officially opened at the Yangtze River Delta Electrical Engineers Innovation Center in Yueqing Economic Development Zone. This Electrical Culture Festival was hosted by the China Electrical Equipment Industry Association, Yueqing Municipal People's Government, and Zhejiang Electrical Industry Association, and undertaken by Liushi Town People's Government, Wenzhou Electrical Industry Association, Yueqing Electrical Industry Association, and Liushi Federation of Industry and Commerce (Chamber of Commerce), and was broadcast live online for three days.

Huanghua Group attended the opening ceremony as an exhibitor and brought solid-insulated ring main unit for display. It introduced the product features through live broadcast on site and engaged in cloud commerce and cloud sales with the anchor.