Shares of Dongyue Group (0189.HK) climbed over 4% to HK$12.87 in Hong Kong trading on Friday.

The chemical materials producer reported first-half net profit of RMB 1.027 billion, up 31.8% year on year, on revenue of RMB 8.06 billion, an 8% increase. Gross margin widened to 37.18%, with its refrigerant and silicone segments posting notable profit growth. The company did not declare an interim dividend.