Hongfa Technology's (SHA:600885) net profit attributable to shareholders for the first half rose 20% to 1.16 billion yuan from 964.2 million yuan a year earlier, according to a Thursday filing on the Shanghai bourse.
Earnings per share climbed 16% year on year to 0.75 yuan from 0.64 yuan.
Operating revenue jumped 32% to 11 billion yuan from 8.35 billion yuan in the previous year.
The circuit breaker manufacturer's shares fell nearly 3% during the morning trade on Thursday.