According to the interactive platform of Northern International on September 27, Beifang Mining is mainly engaged in exploration, mining and sales of mineral resources, which is a mineral resource development business; Northern International's oil field and mining engineering service projects are international engineering contracting services. The company has business collaboration with Northern Mining, but there is no competitive relationship with the industry. The company currently has no important matters that should be disclosed but not disclosed. If major asset restructuring matters are involved in the future, the company will promptly fulfill its information disclosure obligations in strict accordance with relevant regulations.

According to the interactive platform of Northern International on September 27, Beifang Mining is mainly engaged in exploration, mining and sales of mineral resources, which is a mineral resource development business; Northern International's oil field and mining engineering service projects are international engineering contracting services. The company has business collaboration with Northern Mining, but there is no competitive relationship with the industry. The company currently has no important matters that should be disclosed but not disclosed. If major asset restructuring matters are involved in the future, the company will promptly fulfill its information disclosure obligations in strict accordance with relevant regulations.