Ningbo Shanshan's (SHA:600884) attributable profit surged 1,080% or nearly 12 times to 207.3 million yuan in the first half from 17.6 million yuan in the year-ago period.
Shares closed 3% higher during Monday trading.
Earnings per share at the Chinese battery materials manufacturer grew 1,106% to 0.096 yuan from 0.008 yuan in the prior-year period, according to a Saturday filing with the Shanghai bourse.
Operating income increased 12% year over year to 9.86 billion yuan from 8.82 billion yuan.