Jiangxi Changhe Aviation Industry Co., Ltd. (Changhe Aviation) is located in Jingdezhen City, Jiangxi Province. It mainly engages in manufacture and sale of helicopters. Its main products include Z-8, Z-11 series helicopters and other subcontracted products. Z-8 transportation helicopter is of multi-mission and has the largest take-off weight among helicopters in China, even in Asia. Z-11 helicopter, a two-ton general-purpose model, is the first model developed and produced independently by Chinese manufacturer who solely owns its intellectual property rights. The company widely cooperates with well-known foreign companies, such as Sikorsky Aircraft Corporation of U.S.A, Agusta of Italy, and Eurocopter. The S-92 tail rotor pylon in cooperation with Sikorsky Aircraft Corporation has come into scale production. Jiangxi Changhe-Agusta Helicopter Co., Ltd. invested jointly by Agusta and Changhe Aivation, was unveiled on September 19, 2005.