Wang, speaking at a joint press briefing with visiting UK Foreign Secretary Jeremy Hunt, said China and the U.S. should resolve trade frictions through the World Trade Organization framework.
Wang also reiterated Beijing's stance that the root cause of the current trade imbalances between the world's top two economies lies with the United States, adding that the United States has reaped huge profits from China.
U.S. and China are locked in a prolonged trade fight initiated by the Trump administration, which says China's high-tech industries have stolen intellectual property from American firms and demanded Beijing act to buy more U.S. products to reduce a $350 billion trade surplus.
The two sides initially appeared to have avoided a full-scale trade war in May, with China agreeing to buy more U.S. agriculture and energy products, but the deal collapsed and the two sides slapped import tariffs on their respective goods.
Washington has since threatened to set tariffs on an additional $450 billion worth of Chinese goods, and no formal negotiations between the two countries have taken place.
(Reporting by Ben Blanchard; Writing by Beijing Monitoring Desk; Editing by Sam Holmes)