Diversified major South32 says the completion of restructuring initiatives and the fact that production met or exceeded guidance for the 2016 financial year for the majority of its operations is positioning the company well to achieve its unit cost guidance in the new financial year. Despite a challenging market, the company, which was spun off from BHP Billiton, had built “a strong foundation” in its first full year of operation, CEO Graham Kerr said on Thursday.