Zijin Mining Group Company Limited provided preliminary earnings guidance for the year ended 31 December 2017. For the period, the company estimated that the realised net profit attributable to owners of the company for the year 2017 will increase by RMB 1.57 billion to RMB 1.75 billion compared with the same period last year, representing an increase of 85% to 95% compared with the same period last year. The realised net profit attributable to owners of the company after non-recurring profit or loss for the year 2017 was estimated to increase by RMB 1.49 billion to RMB 1.78 billion compared with the same period last year, representing an increase of 150% to 180% compared with the same period last year. Main reasons for the estimated increase in operating results for the period is Impact of principal business: The production volumes of mine-produced copper, mine-produced zinc, mine-produced silver and iron concentrates increased rather substantially compared with the same period last year; The selling prices of mine-produced copper, mine-produced zinc and iron concentrates increased sharply compared with the same period last year; and Impairment provision of assets increased considerably compared with the same period last year. Impact of non-operating profit or loss: income from stock investments was rather substantial during the reporting period.