The SM2509 contract opened at 5,748 yuan/mt and closed at 5,782 yuan/mt, up 0.14%. The daily high was 5,800 yuan/mt and the low was 5,720 yuan/mt. Trading volume was 211,846 lots, and open interest was 358,988 lots. On the raw material side, the market offers for manganese ore remained at a high level, showing no signs of easing...