It takes two days from Xi 'an to Shenmu Shunfeng. SF Express is a Hong Kong-funded express delivery company mainly engaged in international and domestic express delivery business, and SF Express is one of the fastest express delivery companies in China. 2065438+On May 23, 2006, SF wanted to go public by backdoor, with an asset price of 43.3 billion yuan. SF is famous for its high speed, and it will arrive in about 2 days.