金属 库存总量 注销仓单 注销占百分比 铜 457,475 273,700 59.83% 铝 5,320,550 2,138,675 40.20% 铅 236,675 54,600 23.07% 锌 1,007,700 554,025 54.98% 锡 11,760 4,735 40.26% 镍 241,596 89,094 36.88%