SF Airlines has taken delivery of its 40^th freighter, a converted Boeing 757-200.

According to SF, the aircraft is also the first 757 in China to be equipped with winglets for improved aerodynamics and fuel efficiency.

SF Airlines is China’s largest freighter operator and now serves 37 cities in China from its three hubs in Shenzhen, Hangzhou and Beijing.

The airline’s fleet now consists of 17 737Fs, 18 757Fs and five 767Fs.