金属 库存总量 注销仓单 注销占百分比 铜 156,475 37,000 23.65% 铝 4,720,675 2,448,975 51.88% 铅 225,900 4,975 2.20% 锌 755,025 52,175 6.91% 锡 9,830 325 3.31% 镍 333,834 81,090 24.29%