https://www.reuters.com/article/us-zj-geely-hldg-casic-trains/geely-china-aerospace-firm-agree-to-work-on-supersonic-trains-idUSKCN1NB0XV >Chinese automaker Zhejiang Geely Holding Group [GEELY.UL] said on Tuesday it signed an agreement with China Aerospace Science and Industry Corp (CASIC) [SASAAI.UL] to jointly develop "supersonic" trains in the country.