Jinglong Engneering Machinery(Group) Co. Ltd consists of GuangzhouJinglong engneering Machinery Co. Ltd, Tianjin Jinglong EngneeringMachinery Co. Ltd, Changsha Jinglong Engneering Machinery Co. Ltdand Xian Jinglong Engneering Machinery Co. Ltd. It was establishedin 1996 and is one of the biggest professional construction hoistmanufacturers in the world whose annual output ranks among the bestglobally. meanwhile, it also has relatively sizable tower craneproduction. In 2009, its brand, GJJ, has been awarded Chinawell-known trademake by SAIC.