The move is part of an aggressive transformation of the Chilean state-miner, which is looking at adding fresh technologies to revitalizing some of its century-old mines.
The Chilean state miner has terminated its contract with SNC-Lavalin at its Chuquicamata mine, accusing the engineering firm of failing to comply with work commitments.
The Silangan copper and gold mine could be Philex's biggest source of revenue after its 61-year-old Padcal mine in the north is expected to close in 2022.