Headwall frame
The headwall frame is similar to main frame
hardboard bar and gird
The secondary structure (hardboard bar and gird) uses Z or C high strength roll formed shape (160mm, 180mm hgih)covering side brace and tiebar system.Drill hardboard and gird before they connect with steel column and steel girder and connected with zinc bolt and on-spot connecting.
Brace
Selecting round steel, angle steel and bolt as brace connected on the main strucutre.

Main frame
The main frame is steel frame structured. The high-strength steel is welded according to design requirement or construction standard.Sand blasting, dust removal and spray painting two times of red priming paint for the component after the welding and connecting structure components with bolt.