Peric Special Gases' (SHA:688146) net profit attributable to shareholders in the first half jumped 96% to 347.9 million yuan from 177.8 million yuan in the previous year, according to a Shanghai bourse filing on Saturday.
The Chinese electronic specialty gases manufacturer's shares dropped 13% during Monday's morning trade.
Earnings per share rose 94% year on year to 0.66 yuan from 0.34 yuan.
Operating revenue climbed 83% to 1.90 billion yuan from 1.04 billion yuan a year earlier.