China's Chen Jin and Wang Chen claimed victory in Sunday's Hong Kong Open singles finals.

Jin pulled off an upset by beating Beijing Olympics gold medallist Lin Dan 21-9 9-21 21-17 in the men's event, while home favourite Chen ran out a 21-16 10-21 21-10 winner against Olympic silver medallist Xie Xingfang.

"I'm not surprised to have beaten Lin," third seed Chen said afterwards. "I beat him at the All England Championships earlier this year.