金属 库存总量 注销仓单 注销占百分比 铜 235,725 25,275 10.72% 铝 2,901,875 1,241,625 42.79% 锌 524,150 105,550 20.14% 镍 393,978 170,820 43.36% 锡 5,695 565 9.92% 铅 127,500 28,850 22.63% 铝合金 13,460 20 0.15%