A visitor takes a closer look at a miniature version of the Zu Chongzhi superconducting quantum computer at the 2021 Quantum Industry Conference held earlier this month in Hefei, Anhui Province, in this file photo. China’s spending on research and development (R&D), which amounted to 2.4 trillion yuan (US$377.7 billion) last year, hit a record high of 2.4 percent of its gross domestic product in 2020, up 0.16 percentage points from the previous year, latest data from the National Bureau of Statistics showed.Xinhua