China is stepping up its efforts to build Beijing and its environs, along with other major city clusters, into “international technological innovation centres”, according to a high-ranking official – part of the country’s accelerated push for tech self-sufficiency. Speaking at the opening of the state-backed Zhongguancun Forum in Beijing on Wednesday, Chinese Vice-Premier Ding Xuexiang said the country would intensify its campaign to achieve “high-level self-reliance in science and technology”...