金属 库存总量 注销仓单 注销占百分比 铜 235,075 106,475 45.29% 铝 5,359,475 2,923,575 54.55% 铅 192,975 21,125 10.95% 锌 780,350 143,375 18.37% 锡 9,380 4,120 43.92% 镍 277,056 126,852 45.79%