Chongqing Polycomp International's (SHE:301526) first-half net profit attributable to shareholders soared 177% to 639.7 million yuan from 231.3 million yuan a year earlier, according to a Shenzhen bourse filing on Thursday.
Earnings per share climbed year on year to 0.17 yuan from 0.06 yuan.
Operating revenue jumped 20% to 4.96 billion yuan from 4.15 billion yuan in the previous year.
The glass fiber and composite materials manufacturer's shares fell 3% during the morning trade.