SMM Alumina Morning News: Supply shortage of ore continues to spread to southwest region, short-term spot supply tightness may be difficult to change. Overall, the tight supply of ore continues to spread to the southwest region, and some alumina plants are forced to reduce production. Heavy pollution weather warnings in Shandong restricts the firing operations of enterprises, and this round of production restrictions to some extent affects the long-term supply guarantee of individual enterprises. In the short term, there is no significant change in alumina demand, and SMM expects the short-term spot supply tightness to remain unchanged. Before the holiday, domestic spot prices...