With more than 30 branches all over Hong Kong, and many offices around the world, China Travel Services is probably the best place to make travel-bookings arrangements in mainland China. They are open weekdays 9 AM to 7 PM, Saturday 9 AM to 5 PM, and Sunday and holidays 9:30 to 12:30 and 2 PM to 5 PM.
China Travel Services (China Travel Bldg, ground floor, 77 Queen's Rd., Central District, Hong Kong. 852/2851-1700 or 852/2522-0450. www.ctshk.com/english/index.htm).