Fortescue warns of production slowdown without China deal

• Fortescue, an Australian iron ore miner, warns of potential production slowdown without a deal with China Mineral Resources Group.
• The standoff with the state-backed buyer could impact Fortescue's full-year profit.
• Shares of Fortescue dropped more than 4% following the warning.
• Operations 'may be affected' by the unresolved talks with China Mineral Resources Group.
• The company is in negotiations with a state-backed commodities buyer.