The support system is a secondary part of the steel structure system, but it is also an essential component.
In portal frame steel structures, the system has important functions, mainly manifested in:.
Look forward! The construction of the 10 km long fast track in Rongxian County will speed up, connecting three expressways
17 workers were confirmed positive! From now on, the project leaders of the construction / construction / supervision parties shall not leave the city and must be on duty full-time