On January 04, Li Jie, the vice secretary of Party Working Committee in Dalian Huayuankou Economic Zone led a study group to Qingdao Sino-German Ecopark.

2019/07/02

On January 04, Li Jie, the vice secretary of Party Working Committee in Dalian Huayuankou Economic Zone led a study group to Qingdao Sino-German Ecopark.