Visitors view products of Qingdao Wintec System at Retail's Big Show 2020, an annual expo of the U.S. National Retail Federation (NRF), in New York, the United States, Jan. 12, 2020. Mobile payment, facial recognition and intelligent retail service solutions are among the leading innovative technologies Chinese consumers are accustomed to, from which global retailers are expecting to learn amid fierce market competition, according to a number of business executives attending the annual retail expo in New York City in the past week. (Photos: Xinhua)

Michael Ma, account manager of Shandong New Beiyang Information Technology (SNBC) Americas Business Department, introduces a smart vending machine named "smart micro market" to a visitor (R), at Retail's Big Show 2020, an annual expo of the U.S. National Retail Federation (NRF), in New York, the United States, Jan. 12, 2020. Mobile payment, facial recognition and intelligent retail service solutions are among the leading innovative technologies Chinese consumers are accustomed to, from which global retailers are expecting to learn amid fierce market competition, according to a number of business executives attending the annual retail expo in New York City in the past week.