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:.
Good morning, Kaifeng! (quick look! The latest news of May 1st Road Construction – 57 positive cases! 3 places have been raised to high risk
The construction of the main works of Nanchang Jiujiang Section of Beijing Hong Kong High speed Railway has been fully launched
The special training class of Chongping railway tunnel construction of the seventh branch of China Railway fourth Bureau has opened!