Longines Hefei Yintai Center Flagship Store. Longines flagship store of Hefei Yintai Center, located in Changjiang Road, Hefei City, Anhui Province, is a Longines watch flagship store. Longines watches sold inside are genuine, with the most novel styles and guaranteed quality. 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.