It was the principal restrictive Chinese airplane. The transporter has focus focuses at Xiamen, Fuzhou and Hangzhou and flies to critical metropolitan networks in China and loosens up to Hong Kong, Macau, Taiwan and various countries in Southeast Asian countries. Most of its flights start from Xiamen Gaoqi International Airport, yet also some from Fuzhou Changle International Airport and Hangzhou Xiaoshan International Airport.
Source: https://flyustravels.com/lp/xiamen-airlines-business-class