The refinery, the world's biggest, has been operating at half capacity since early 2018, when Hydro admitted it had made unlicensed emissions of untreated water.
China added 194 million tonnes of coal mining capacity in 2018 despite vows to eliminate excess capacity in the sector and to reduce fossil fuel consumption.
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.
Chile would shortly begin accepting bids from local and foreign companies seeking to develop battery materials using discounted Chilean lithium provided by SQM.
Lonmin Plc has been cutting spending to conserve cash and retain a positive balance sheet required by conditions of South Africa-based Sibanye's offer.
