SHENZHEN, China, Oct 9 (Reuters) – Huawei-backed electric vehicle (EV) brand Aito has received more than 50,000 orders for its revamped M7 model within the first 25 days since it went on sale, the company said. Richard Yu, Huawei's Smart Car CEO, announced the milestone on his Weibo social media account on Saturday. The orders, which required a non-refundable deposit, would put Aito among China's five top-selling new energy vehicle manufacturers, based on sales data for August. Huawei has enjoyed a swell in patriotic consumer support since the surprise launch of its premium Mate 60 Pro phone in late August,…