金属 库存总量 注销仓单 注销占百分比 铜 420,400 262,30.0 62.39% 铝 5,471,750 2,164,675 39.56% 铅 230,175 48,000 20.85% 锌 960,250 530,825 55.28% 锡 10,880 2,580 23.71% 镍 252,126 101,094 40.10%