金属 库存总量 注销仓单 注销占百分比 铜 244,950 104,850 42.80% 铝 5,344,275 2,985,650 55.87% 铅 202,400 30,175 14.91% 锌 811,225 172,025 21.21% 锡 9,460 1,990 21.04% 镍 279,966 133,170 47.57%