US Trade Representative Katherine Tai said protecting interests against China's plans to dominate important industries such as semiconductors was the top priority

Deputy US Trade Representative Sarah Bianchi said Washington would address long-term challenges from China and develop "a tariff structure that really makes sense"

China has not adopted rules of the World Trade Organization despite 20 years of membership, the US Trade Rep said in a report Wednesday, noting its 'long history' of disregarding WTO rules

The US, which is unable to appeal against the decision, branded it "deeply disappointing" and said it reinforced a need to reform WTO rules