金属 库存总量 注销仓单 注销占百分比 铜 234,375 95,400 40.70% 铝 1,141,700 233,525 20.45% 锌 224,025 59,675 26.64% 镍 379,278 135,096 35,62% 锡 2,210 220 9.95% 铅 146,875 45,875 31.23% 铝合金 12,120 0 0.0%