金属 库存总量 注销仓单 注销占百分比 铜 288,050 134,050 46.54% 铝 1,294,075 262,900 20.32% 锌 259,700 104,300 40.16% 镍 374,382 123,270 32.93% 锡 1,700 135 7.94% 铅 152,575 64,575 42.32% 铝合金 12,220 200 1.64%