Concave-convex Free Travel is the most professional online distribution platform for overseas destination tourism products in China. Headquartered in Guangzhou, the company has 13 overseas branches and operation centers, providing more than 200 overseas destinations with more than 8000SKU playful product reservations. Distribution products cover scenic tickets, catering, local transportation, one-day/half-day tour, special experience, entertainment tickets, telephone cards, WIFI, customs clearance, visas and other travel needs of the whole line.

凹凸自由行是国内最专业的海外目的地旅游产品的在线分销平台。公司总部设在广州，拥有 13个海外分公司及运营中心，提供200多个海外目的地超8000SKU玩乐产品预订。分销产品覆盖景区门票、餐饮美食、当地交通、一日/半日游、特色体验、演艺门票、电话卡、WIFI、送关、签证等全线目的游玩需求。