Where are the travel websites that sell final orders? Be reliable

The information in the tourism market is still very limited at present. Most people think that things like final travel orders will have an impact on the regular price market, so final orders are usually digested by groups of relatives and friends. Of course, there are also several websites that do tail orders. The following are websites that claim to do tail orders:

Tuniu Tail Order Channel, Special Offer Travel Network, Lailaihui Travel Network, iTravel, McDull, Hot air balloon, Shenyouyou, special offers.