Advantages and disadvantages of steel structure

Advantages: convenient and fast construction, excellent waterproof and seismic performance, strong aesthetics and environmental protection. Disadvantages: the surface of steel structure is easy to rust, and the fire protection performance is poor. After the house is completed, the structure cannot be changed, and the steel structure house is expensive.

PremisesPermit refers to the certificate that the buyer obtains the legal ownership of the house through the transaction and can exercise the right of possession, use, income and disposal of the purchased house according to law. That is, the "House Ownership Certificate" is the legal certificate for the state to protect the ownership of houses according to law. Proof that the owner manages and uses his own house. Property ownership certificate includes house ownership certificate and house ownership certificate. Generally speaking, the real estate license is the abbreviation of the house ownership certificate, which is a written certificate issued by the real estate registration authority to prove the ownership of the house.