World Bulletin / News Desk
The miners were trapped when a cage fell after its electric cables caught fire and then snapped in northeast Heilongjiang province.
A total of 256 miners had escaped the smoke-filled mine.
Chinese mines are among the most dangerous in the world due to lax regulations and poor operating procedures.
In recent years, the country has produced more than one-third of the world's annual coal output, but accounted for more than two-thirds of global mining deaths annually, according to the Mining Technology journal.