When Western firms pull production out of China or buy fewer parts from there in order to be less dependent on the country, this is called decoupling or de-risking. And you would think that  China  can’t stop the rest of the world from decoupling, right? Tell that to Beijing. Chinese authorities blocked Meta’s $2 billion (€1.7 billion) takeover of the artificial intelligence (AI) startup Manus last month, sending a clear signal that even deals structured outside China's borders are no longer safe. Manus is headquartered in Singapore , but has strong Chinese roots. China viewed the firm as one of its strategic assets in the global AI race and blocked the deal on national security grounds. The move followed Beijing's swift introduction of the Regulations on Industrial and Supply Chain Security, also in April. These measures strengthen its ability to stop US tech giants from buying up high-end Chinese technologies .…