Primary Frame

/Primary Frame

Primary Frame is the Main Structure of the Prefabricated Steel Workshop or Warehouse Building which including Steel Column ,Roof Rafter ,Crane Beam ,Floor Beam ,steel structure materials used Q345B,yield strength 345Mpa ,all the primary frame are prefabricated steel structure that are exactly measured and customized for a specific building requirement , it is mostly fabricated in workshop according the detail fabrication drawing .