The fire occurred before the plane was set to take off from the Shenzhen Bao'an International Airport, which serves China's first special economic zone, Xinhua reported.
The passengers suffered minor injuries while being evacuated, company sources said.
The fire occurred at 6:10 p.m., and an investigation in the cause is under way, Xinhua reported.
The incident did not disrupt the flight schedules of the airport, which is the hub for Shenzhen Airlines.
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