In March, SMM data showed that China's copper cathode output was 999,500 mt, an increase of 49,200 mt or 5.18% from the previous month, a year-on-year increase of 5.06%, and an increase of 29,300 mt from the expected 970,200 mt. The total output from January to March was 2.9196 million mt, an increase of 207,100 mt or 7.64% year-on-year.