No steel girder strength of concrete structures is a comprehensive common core barrel steel, civil whole steel structure high-rise building and developed a vaulted roof, steel structure installation has the following main challenges: (1 ) Security As the steel girder strength of steel is not in the room for the independent column, and the column spacing greater independence, can not hang the safety net. (2) Quality control: Because no steel girder Stiff column bracket set asymmetry and asymmetric load, there is a big emphasis on steel columns and partial load phenomenon. (3) schedule. No purlin without beam vaulted roof manufacturers, no roof trusses, increased space forming a large unsupported spans of up to 38 meters. No no purlin beam, wall, floor and beautiful architecture can achieve. Large-span arched roof arched roof warehouse, shaped like a rainbow, figure to be light, giving a whole-hearted feeling of beauty. Qinzhou arched roof | vaulting | Guangxi Guangxi Galaxy Galaxy is provided by the metal structure Engineering Limited. Guangxi Galaxy Metal Structure Engineering Co., Ltd. (www.gxmmr.cn) strong, credible, in Nanning, Guangxi's activity room industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Guangxi Galaxy and you hand into the brilliant, for a better future!