金属 库存总量 注销仓单 注销占百分比 铜 610,725 312,575 51.18% 铝 5,471,100  2,130,125 38.93% 铅 200,225 107,650 53.76% 锌 1,045,400 615,375 58.87% 锡 13,845 4,805 34.71% 镍 204,330 30,744 15.05%