SIFCO Industries Inc. of Cleveland, Ohio, acquired the business and related assets of GEL industries Inc., doing business as Quality Aluminum Forge (QAF), an aerospace component supplier located in Orange, Calif. QAF is principally known as a supplier of precision-forged and machined aerospace components for use on commercial and military aircraft. The transaction, which includes essentially all of the operating assets and liabilities of QAF, closed on Oct. 28. The acquisition enhances SIFCO's product offering by adding a new metal capability and increasing the company's finish-machining capability.