金属 库存总量 注销仓单 注销占百分比 铜 605,125 322,600 53.31% 铝 5,480,625 2,111,650 38.53% 铅 200,200 106,650 53.27% 锌 1,055,300 604,900 57.32% 锡 13,775 4,370 31,72% 镍 204,906 32,382 15.80%