Wuhan Guide Infrared (SHE:002414) posted a 647% year-over-year jump in attributable net profit in the first half to 1.35 billion yuan from 180.9 million yuan.
Earnings per share rose to 0.3164 yuan from 0.0424 yuan, according to a Shenzhen Stock Exchange filing on Wednesday.
Revenue surged 118% to 4.22 billion yuan from 1.93 billion yuan.
The company, which produces infrared thermal imaging cameras and systems, plans to distribute an interim dividend of 1 yuan per 10 shares.
Wuhan Guide's shares fell nearly 3% in recent trade.