China also has arrested two Canadians for alleged spying, sentenced another to death for drug smuggling, and this week suspended imports of Canadian meat products.
Singapore Prime Minister Lee Hsien Loong was the keynote speaker at the Shangri-La Dialogue, attended by acting Secretary of Defense Patrick Shanahan, Chinese Defense Minister Wei Fenghe and other defense officials and academics.
His remarks underscore America's frayed relations with China, as the Trump administration wages a trade war with Beijing, imposes sanctions on Chinese tech giant Huawei and approves a weapons sale to Taiwan.
The Navy's top civilian recently warned that the service needs to keep the telecom behemoth out of U.S. military projects due to fears the company could allow Beijing to steal U.S. national security secrets.