金属 库存总量 注销仓单 注销占百分比 铜 191,325 24,350 12.73% 铝 4,149,300 2,309,525 55.66% 铅 215,825 5,375 2.49% 锌 667,700 167,900 25.15% 锡 12,085 1,310 10.84% 镍 416,436 90,246 21.67%