Bailong Sky Ladder is located in the Wulingyuan Scenic Area of Zhangjiajie, a world natural heritage site, and was jointly built by Beijing Bailong Green Technology Enterprise Corporation and British Freud Co., Ltd. The Bailong ladder started construction in September 1999, completed in April 2002 and put into trial operation. The main elevator equipment was researched and produced by Rangger International Elevator Company in Germany, which cost million yuan. The Bailong ladder is magnificent, the vertical height difference is 335 meters, the operating height is 326 meters, and it is composed of 154 meters of mountain shaft and 172 meters of steel structure derrick. It is operated in parallel with three double-layer full-exposure sightseeing. It is a perfect combination of natural beauty and artificial wonders that have been included in the Guinness World Records with the honor of "highest outdoor elevator". The completion of Bailong Tianti to achieve the goal of "mountain tour, mountain living", the world's first bridge, the Ecstasy platform and other world-class beauty from behind the scenes to the front desk, solved the traffic bottleneck problem that has plagued the scenic spot for many years, practice proved that the construction of Bailong Tianti is very important.