金属 库存总量 注销仓单 注销占百分比 铜 489,320 274,200 56.03% 铝 5,402,650 2,120,000 39.24% 铅 232,425 55,200 23.75% 锌 1,045,700 531,125 50.79% 锡 13,060 2,860 21.90% 镍 231,636 66,606 28.75%