BEIJING, July 20 (Xinhua) -- Chinese Defense Minister Chang Wanquan Thursday met Mark Sedwill, Britain's National Security Advisor to the Prime Minister.

Chang said that China is willing to cooperate with the United Kingdom's military and defense department, contributing to the China-UK global comprehensive strategic partnership for the 21st century.

Britain is ready to expand bilateral relations with China and advance collaboration on areas including defense and peacekeeping, Sedwill said.

They also exchanged views on the international and regional security situation.