$Horsehead Holding(ZINC)$ 8-K - Current report Filed: 2015-07-07 AccNo: 0001385544-15-000012 Size: 811 KBItem 1.01: Entry into a Material Definitive AgreementItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a RegistrantItem 8.01: Other Eve 网页链接