Puya Semiconductor Shanghai (SHA:688766) posted first-half attributable net profit of 826.7 million yuan, up 1,930% from 40.7 million yuan the previous year.
Earnings per share jumped to 5.57 yuan from 0.36 yuan, according to a Wednesday filing with the Shanghai bourse.
Operating revenue rose 337% year over year to 3.96 billion yuan from 906.7 million yuan.
Shares of the semiconductor device producer were down nearly 8% in recent trade.