What is the address for Air China's web site?

The address of Air China's web site in English is  http://www.airchina.com.cn/en/index.jsp

• What is the web site for Air China's frequent flyer program?
• To which airline alliance does Air China belong?
• What is the airline code for Air China Limited?
• What is the telephone number for reservations for Air China?
• What is the telephone number for Air China's frequent flyer program?
• Where can I access a route map for Air China?
• What is the name of Air China's frequent flyer program?

• Asia > East Asia > China

• Transport > Air > Airlines