Brief introduction of Yunnan Wei Yun Group Co., Ltd.

Yunnan Wei Yun Group Co., Ltd. is a large state-owned enterprise integrated by Yunnan Zhanhua Co., Ltd., Yunnan Wei Yun Group Co., Ltd. and Qujing Coking Gas Supply Co., Ltd. according to the spirit of chemical industry integration in Yunnan Province. It has a listed company and two joint ventures, with more than 5,400 employees, total assets of 3.5 billion yuan, net assets of 6,543.80 billion yuan and annual sales income of more than 2 billion yuan.