I'm based in Guangzhou and do a minimum of 4 domestic flights a week and use my US-based credit card entirely on Elong.com to book tickets.

Mind you im very suprised that other users find the same rate on Ctrip or other sites for flights and hotels. In my experience, Elong always has better rates.

Also customer service at Elong is far far superior to that of Ctrip. I originally used to use Ctrip but then they burned me over a date change in domestic F on Air China. I had to depart a day earlier than planned and being a full fare F ticket i called up Ctrip and asked them to change the date of the reservation accordingly and they said it was no problem and to go to the Ctrip desk upon reaching the airport to get it changed. Well the Ctrip lady had no clue and insisted that i had to buy a new ticket, went to Air China who also had no clue and said that the agent must change the ticket for me. Long story short, the Elong desk was right next to Ctrip and they man there came over and took control of the situation by taking me to the Air China duty manager and changing my reservation. Been loyal to Elong ever since and they haven't failed me yet....