China's commerce minister, Wang Wentao, expressed Beijing's "solemn concerns" over US tariffs and Taiwan-related issues in the economic and trade domain during a meeting with US Trade Representative Katherine Tai on Monday. Wang and Tai conducted "professional and in-depth" communication on bilateral and multilateral economic and trade issues of mutual concerns as they met on the sidelines of the 13th Ministerial Conference of the World Trade Organization in Abu Dhabi, according to China's Minis