CRRC (SHA:601766, HKG:1766) attributable profit rose 72% to 7.25 billion yuan in the first half from 4.20 billion yuan in the year-ago period, according to a Saturday filing with the Shanghai bourse.
Shares jumped 5% in Hong Kong and 4% in Shanghai during morning trading on Monday.
Earnings per share at the rail transit equipment manufacturer grew 67% to 0.25 yuan from 0.15 yuan in the prior-year period.
Revenue increased 33% to 119.8 billion yuan from 90 billion yuan in the year-ago period.
The company declared an interim dividend of 0.11 yuan per share, payable Dec. 31.