Company is a professional operator of industrial gate and natural ventilation system. Its predecessor is kaiyunde super gate design engineering studio established in 2008. The main members of the studio are from domestic well-known architectural design institutes, steel structure companies, door industry and ventilation system companies, etc. the team members have rich experience in design, manufacturing and construction for many years During this period, we cooperated with the super gate manufacturers such as Germany and Finland to overcome many technical barriers. We treat every customer sincerely and treat every project carefully. Every project we undertake is subject to stress analysis by international general finite element software such as SAP2000, Midas and 3D3S, which fundamentally ensures the safety performance of our gate structure under any working condition in the whole life cycle of the building. The continuous improvement of manufacturing standards, strict construction system and millimeter level installation standards ensure that safe and reliable works can be submitted to customers every time.