Zhengzhou Coal Mining Machinery Group's (HKG:0564, SHA:601717) or ZMJ Group said its third-quarter net profit attributable to the shareholders jumped 26% year on year to 1.13 billion yuan, according to a Hong Kong bourse filing on Monday.

The coal mining machinery and automobile parts manufacturer's Shanghai shares slipped over 1% and Hong Kong shares fell 3% during Tuesday's afternoon trade.

Earnings per share increased 29% from a year earlier to 0.647 yuan.

Operating revenue climbed 21% year on year to 10.8 billion yuan.