Zhaojin Mining Industry's (HKG:1818) attributable profit more than doubled to 578 million yuan in the first quarter from 289.6 million yuan in the year-ago period.
The gold miner's basic earnings per share doubled to 0.15 yuan from 0.07 yuan in the previous year, according to a Monday filing with the Hong Kong bourse.
Operating income grew to 1.50 billion yuan from 951 million yuan a year earlier.
Shares rose 5% during morning trading on Tuesday.