Current label: Reliable square tube wholesale
Reliable square tube wholesale Give you a detailed introduction Reliable square tube wholesale Product classification of, including Reliable square tube wholesale The purpose, model, scope, pictures, news and price of all products under. At the same time, we have selected Reliable square tube wholesale The classified industry information, price quotations, exhibition information, picture materials, etc. have won praise from users nationwide. For more details, please click to visit!
-
And it shall be tied with the vertical pole to tighten the horizontal pole. Structural requirements for square pipes: when the erection height exceeds 40m and there is wind vortex effect, the structural requirements for square pipes shall conform to the following rules: 1. The longitudinal distance and step distance of degree poles of single and double row square pipes shall not be greater than 2.1m, and transverse diagonal braces shall be set. 2. The upper part of the top layer of the portal frame, the setting layer of the wall connecting parts, and the protective shed
