The pair exchanged views on the global economic situation, the high-level opening up of China's financial sector and the London-listed bank's development in the country, the China Banking and Insurance Regulatory Commission said.
Winters is among foreign business executives that attended the China Development Forum in Beijing earlier this week.
At the forum, China's Premier Li Qiang told foreign executives that the country will further open up its markets.
Guo met with HSBC Holdings PLC Group Chief Executive Noel Quinn last week and exchanged views on the global economic situation.
(Reporting by Ella Cao, Ziyi Tang and Liz Lee; Editing by Jacqueline Wong and Christopher Cushing)
