According to the news query of WeChat company, from February 1 1 day to February 12, 2023, Li Shan, chairman of Ba kurotsuchi nemu Branch Investment Group, Luo Moufan, investment partner and president, and others came to Zhenglanqi for inspection, exchange and cooperation. On February 1 1, the delegation visited Mongolian yurt industrial park, Zhenglanqi Mongolian yurt factory, Shangduyuan Mongolian yurt factory, Heichengzi coal mine, Yuanshangdu site and museum, Shunxin Xinyuan Food Co., Ltd. and Xibei Huitong Animal Husbandry Science and Technology Development Co., Ltd. in order to learn more about the infrastructure construction and industrial development status of Zhenglanqi, look forward to the development prospect, analyze the economic benefits and plan cooperation opportunities. So the relationship between them is cooperative.