https://www.reuters.com/article/us-usa-trade-china-semiconductors/chinas-top-chip-maker-urges-u-s-firms-to-help-ease-tensions-idUSKBN1XI1CC >The head of China's top state-run semiconductor maker, Tsinghua Unigroup Ltd, called on U.S. companies to "do better" in efforts to overcome China-U.S. tech tensions given they continue to profit from the Chinese market.