岁寒知松柏，患难见真情。China would be more amenable to a summit with the United States and a potential visit by the US commerce secretary, Chinese analysts said, as the Biden administration works through Beijing’s list of demands – including dropping the extradition request for Meng Wanzhou.The release of the Huawei Technologies Co. chief financial officer last week was the highlight of latest signs of goodwill from Washington that have raised expectations for the possibility of virtual talks between presidents Joe…