Chinese travelers pose for a photo at Mong Cai International Border Gate in Quang Ninh Province, northern Vietnam. Photo: Kim Oanh / Tuoi Tre The People’s Committee of Mong Cai City also asked travel companies to prepare to welcome groups of Chinese visitors via Mong Cai International Border Gate. On Wednesday morning, authorities in Mong Cai City offered flowers to the first group of Chinese visitors to enter Vietnam through Mong Cai International Border Gate. Chinese travelers pose for a photo at Mong Cai International Border Gate in Quang Ninh Province, northern Vietnam. On Wednesday morning, authorities in Mong Cai City offered flowers to the first group of Chinese visitors to enter Vietnam through Mong Cai International Border Gate.