Beijing Zhongrui Hongyu Curtain Wall Decoration Engineering Co., Ltd., established on 2009-02-25, The business scope includes the production of aluminum alloy doors and windows,Steel doors and windows,Glass curtain wall,Stone curtain wall(The above does not include surface treatment operations);technology development,technical consulting,technology transfer,Technical Services;sale of building materials(Does not contain sand and gravel and its products),decorative material,Aluminum alloy doors and windows,Steel doors and windows,Glass curtain wall,Stone curtain wall(Does not contain dangerous chemicals and a class of precursor chemicals),metallic material(Does not contain calcium carbide,ferroalloy),hardware,knitted goods;property management;Parking lot management;Import and export,Technology Import and Export(The above two do not include the law,Projects that require approval according to regulations),Agent import and export;Undertake exhibition display service;Photographic Printing Services;Television planning;film production;General cargo;Professional contractors.(Market entities independently choose business projects in accordance with the law,Carry out business activities;General cargo,Professional contracting and projects subject to legal approval,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)