At around 10:00 pm on Wednesday the 25-car train derailed from an escape siding and overturned, hitting a house in Gongyi, Henan province.
Search and rescue operations concluded early Friday morning after the bodies of four crew members and two villagers were found.
Rescue efforts were difficult as the crew accommodation car and the first 14 wagons overturned and lay on top of each other, and were heaped together with a large quantity of aluminium ore, the Gongyi government said.
The train is owned by Chalco, China's largest state-owned aluminium producer. Each car held 60 tonnes of aluminium ore, authorities said. Authorities are still investigating the cause of the accident.
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