1.On June 20, 2022, China Group Co., Ltd. changed its business, and its legal representative was changed from Dai Guixue to Li, who bought it.

2. China Sanye Group Co., Ltd. was established on May 29th, 1984 with a registered capital of1500 million yuan. Its business scope includes contracting domestic and foreign smelting projects, housing construction projects, municipal projects, electromechanical installation projects, mining projects, steel structure projects, power projects, highway projects, etc.