Manganese miner OM Holdings has revealed it has suspended shipments at a loss of over $12 million in response to weaker market conditions, which has also prompted a 30 per cent cut to annual production next year.

Manganese miner OM Holdings has revealed it has suspended shipments at a loss of over $12 million in response to weaker market conditions, which has also prompted a 30 per cent cut to annual production next year.