TOKYO -- BHP's iron ore mines posted their second consecutive year of record production while the company's copper volumes grew by 9%.
Iron ore output rose 6% on the year in the April-June quarter.
Push into copper pays off as volumes grow by 9%

BHP has struggled with plunging nickel prices recently. © Reuters
TOKYO -- BHP's iron ore mines posted their second consecutive year of record production while the company's copper volumes grew by 9%.
Iron ore output rose 6% on the year in the April-June quarter.