[Domestic Iron Ore Brief: Iron Ore Concentrate Prices in Tangshan Expected to Remain in the Doldrums] Iron ore concentrate prices in Tangshan edged down slightly, with the ex-factory price for Fe66% iron ore concentrates (dry basis, including tax) decreasing by 10 yuan to 1,000–1,010 yuan/mt. Mines and beneficiation plants are currently operating largely as planned, but overall operating rates remain relatively low, and the tight supply situation for iron ore concentrates has not improved significantly.