Where do online travel products of Pipikou tourism circle come from, just docking with ground travel agencies?

Pipikou tourism circle products mostly come from tourism wholesalers, some are destination institutions, and some single products such as cruise ships, air tickets, insurance, visas and so on. Part of it is that the cars and horses in the tourist circle are centrally purchased on the platform of the tourist circle, and the price will be lower than that of the group travel agency itself; Part of it is put by wholesalers themselves on the platform of tourism circle.