Air China is the largest operator within the People's Republic of China and the core enterprise within Air China Group. It operates passenger and cargo services, special and chartered flights and also general aviation. The phoenix design, as its logo, is an artistic prototype of the English word VIP. Air China ranks among the 500 biggest service companies in China and is also one of the "100 Best Service Companies". It has a total of 64 airplanes, including the most advanced, luxurious and comfortable B747 - 400 COMBIs and 406 - seat all - passenger B747 - 400s All Passenger, B767s, B737s and one advanced B747 - 200Fs All Cargo. Its 42 international and regional routes and 61 domestic routes serve 39 cities in 28 countries and regions and also most of the provincial capitals, major cities and tourist attractions in China. It has two subsidiaries in Tianjin and Innermongolia. It has 36 overseas representative offices and several domestic ones in Shanghai, Guangzhou, Shenzhen, Xiamen, Xian, Dalian, Qingdao and Chengdu. All these routes connect Beijing with various destinations both in China and around the world, forming a well established transport network with Beijing as the center.