金属 库存总量 注销仓单 注销占百分比 铜 201,600 36,200 17.96% 铝 1,104,950 213,425 19.32% 锌 186,675 22,350 11.97% 镍 374,136 120,756 32,28% 锡 2,395 545 22.76% 铅 141,950 42,825 30.17% 铝合金 13,900 0 0.0%