Group 1 - China Mineral Resources Group has instructed domestic steelmakers and traders to stop purchasing iron ore cargoes from BHP due to stalled contract negotiations [1][2][4] - The state-owned China Mineral Resources Group aims to gain more influence in the global iron ore market, where it is the largest consumer [2] - Recent negotiations between China Mineral Resources Group and BHP have failed, leading to a complete ban on BHP cargoes [2][3] Group 2 - China has previously restricted imports of certain BHP iron ore grades, specifically banning the Jimblebar blend fines [3][4] - Following the news, iron ore futures in Singapore increased by nearly 2%, while BHP's shares fell by 4.8% in London [5] - The global iron ore market is facing renewed pressure due to concerns over China's slowing economy and weakening demand from the steel and property sectors [6]