金属 库存总量 注销仓单 注销占百分比 铜 606,900 324,300 53.44% 铝 5,466,675 2,118,025 38.74% 铅 199,775 107,200 53.66% 锌 1,058,400 608,000 57.45% 锡 13,845 4,650 33.59% 镍 204,210 31,602 15.48%