According to Nikkei , China’s top smartphone makers – Xiaomi, Vivo, and Oppo – have told suppliers to scale back orders for the upcoming quarters by about 20% due to supply chain disruptions from the country’s Covid-19 lockdowns (i.e., demand has cratered). Xiaomi, China’s biggest smartphone maker and No. 3 globally, has told suppliers that it will lower its full-year forecast to around 160 million to 180 million units from its previous target of 200 million. Xiaomi shipped 191 million smartphones last year and is aiming to become the world’s leading smartphone maker. The company could adjust its orders again…