[Why has the operating rate of refined copper bars declined as expected, and why has market wait-and-see sentiment risen?] This week, SMM surveyed the production and sales of major domestic large and medium-sized copper bar enterprises. On the whole, the operating rate of enterprises was 79.32%, down 2.40 percentage points from the previous month, and 1.54 percentage points lower than expected. (Surveyed enterprises: 21, production capacity: 7.83 million tons). The details are as follows...