BEIJING, July 17 (Xinhua) -- China has accelerated the building of computing infrastructure amid the country's push for developing its digital economy. By the end of 2021, super-large and large data centers in use exceeded 450 across the nation, while intelligent computing centers surpassed 20, data from the Ministry of Industry and Information Technology showed. China will further promote the building of computing infrastructure and an integrated system of big data centers this year, aiming to foster an efficient and green computing industry that can fuel the growth of the country's digital economy, said Xie Cun, a senior official with...