Editor's Note: To mark the 20th National Congress of the Communist Party of China, China Daily is producing a series of data graphics pages that highlight the nation's major achievements during the past decade. This, the 19th in the series, portrays the amazing success of China in managing the rapid evolution of telecommunications from 2G to 5G and beyond, innovating the applications of tech from the internet to e-commerce, building "new infrastructure" and now striving to achieve self-sufficiency in components like chips.