金属 库存总量 注销仓单 注销占百分比 铜 197,475 89,375 45.26% 铝 5,282,125 2,900,250 54.91% 铅 192,1755 19,225 10.00% 锌 755,325 121,125 16.04% 锡 9,620 3,710 38.57% 镍 278,868 116,436 41.75%