They were found to have ignored safety regulations by ordering miners to resume work days after a fire broke out in the coal pit, state new agency Xinhua reported.
Liu Shuangming, a former director of the Chenjiashan coal mine, was jailed five-and-a-half years while Wang Youjun, his deputy and chief engineer, was jailed five years.
Their "extremely outrageous" action had resulted in a gas explosion at the mine located in northwest China's Shaanxi province.
More than 40 of the 293 miners were injured in the incident on November 28, 2004, some seriously.
In a related development on Wednesday, an appeals court in Xinjiang upheld a lower court's sentencing of five coal mine managers and technicians in June.
They were jailed three to six years for causing 83 deaths in a gas blast last year.
China's coal mining industry - the world's deadliest - records thousands of fatalities every year.
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| Relatives of the mine victims seen in this file picture |
Safety regulations are often abandoned as greed-motivated mining officials step up production to exceed normal output limits.
On Wednesday, 11 miners were killed in a gas explosion in Gansu province, which neighbours Shaanxi.
The authorities have yet to ascertain the number of those still trapped.
Four coal mine accidents occurred across China over the weekend leaving at least 85 dead.
Last year alone, 6,000 miners died in mining disasters
