MMG Ltd.said July 7 that its Las Bambascopper mine in Peru achieved commercial production July 1, in line with schedule,confirming that the plant ramp up was also achieved on time.

Las Bambas produced 31,470 tonnes of copper in concentrate inthe first quarter, pushing the company's copper-in-concentrate production in theperiod to 35,515 tonnes — a 337% jumpyear over year.

MMG said in January that it expects Las Bambas to produce 250,000 tonnes to 300,000 tonnesof copper-in-concentrate this year.