Steel Works is the main structure of steel production, is one of the main building structure types. Steel construction: embedded base. Before pouring the foundation Changzhi light steel structure, carefully check the size of the bolt, length, height and position, and secure embedded bolts. Response before pouring bolt wire port with plastic film wrap to prevent contamination of the bolt wire port when Tongjiao pound. Steel Works steel production is mainly structural steel engineering company in Henan Province, it is one of the main building structure types. Steel testing standards: steel grid. Steel truss deflection of steel, can be used to detect a laser rangefinder or Level steel construction, each half points measured across a range of not less than three, and the span should have a measuring point, the ends of measuring point end support seat should not be greater than 1m.