Yangtze River Wholesale Market Old Kang Hua Food Store. Hefei has an old Kang Hua food store, the Yangtze River Wholesale Market, which is crispy and cheap, with a wide business scope. Hefei, referred to as "Lu" or "He", was called Luzhou, Luyang and Hefei in ancient times. Hefei is named after the fact that both the East Hefei River and the South Hefei River originated here.