Beijing, April 28 (Youth.cn) - Forign visitors lined up in front of the custom verification station for tax refund upon departure at Pudong International Airport in Shanghai. Recently, State Administration of Taxation declared a “Buy now, Refund now” policy. Foreign visitors could get their refund after they make a purchase. More shops are adding this service. Until now, among 587 tax refund stores, 284 have realized “Buy now, Refund now”. Photo/CFP