Purlins, wall beams (wall purlins) and cornice beams, as the secondary structural system of the building, provide support and stability for the injection structural system. Their stability and durability directly affect the safety of the ma… 【详情】

Purlins, wall beams (wall purlins) and cornice beams, as the secondary structural system of the building, provide support and stability for the injection structural system. Their stability and durability directly affect the safety of the ma… 【详情】

High frequency welding thin-walled H-beam has good mechanical properties, strong bending resistance, high accuracy of section size, excellent performance, can be customized according to the user's requirements, and the metallographic struct… 【详情】