Beijing Jiayu Door, Window and Curtain Wall Joint-Stock Co., Ltd, ( Stock Code: 300117) is a world leading provider of energy-saving door, window and curtain walling solution, founded in 1987 and honored as a listed company on Shenzhen Stock Exchange in September 2010. Jiayu enjoys the first-class capability in technology R&D, curtain wall design, high precision processing, installation and maintenance. Jiayu is honored as a high-tech enterprise, a municipal R & D center, A Famous Trademark of China, A Top 1 in Door, Window and Curtain Wall Innovative Enterprises in China, A Top 50 in Curtain Wall Industry in China. Jiayu Group participates in the compile of a 11th Five-Year Plan" national science and technology support plan and the formulation for many national and local industrial standards of energy-saving door, window and curtain wall, and has won several patents. Jiayu is qualified with a Grade-A License of Curtain Wall Engineering Professional Contractor , a Grade-A License of Metal Door and Window Engineering Professional Contractor and a Grade-A Licenses of Architectural Door, Window and Curtain Wall Design and Construction. Jiayu Focus on brand development, and relies on design optimization, Scientific Construction Management, high-quality, cost-effective & high quality service, and established manufacturing bases of north China, southwest China, South China , East China, northeast China as well as offices in Europe, the Middle East, Australia, Southeast Asia and other countries and regions, and subcontracted a number of key well-known domestic and overseas projects, such as the world's tallest apartment building Dubai princess tower, Qingdao Wanda plaza, Olympic Rowing Canoeing Park, Chinese people's revolutionary military museum, Chongqing Sheraton hotel, Zhuhai silver bay, oak bay Huarun, Kunming evergrande jinbi world, Al Falah Villas community in Abu Dhabi.