Friday, it is to be able to withstand certain seismic force destroyed, to be able to shock and earthquake. For this steel sheet is not only to have sufficient tensile strength and yield strength, but also has a lower yield strength ratio. Low yield ratio of the material has good cold deformation capacity and high plastic deformation work, absorb more earthquake energy, improve the seismic capacity of the building. Secondly, it should have higher ductility and toughness to the steel sheet has good mechanical properties. Nextly, the use of beam and column connections within the solder connections when the node constraints strong and withstand a tensile force along the thickness direction, the steel plate must have a certain level of resistance to lamellar tearing ability. Lastly, To have good weldability, do without preheating before welding, heat treatment after welding without welding, so that the scene, to reduce labor intensive, improve labor efficiency. Only with the above characteristics, this high-rise steel structure needs in order to meet modern building. Our products are in strict accordance with these production requirements and complete the entire production process, so, if you have a need, may wish to visit our company, I believe you will be a worthwhile trip.