Introduction A Animal husbandry buildings like poultry coops, hog sheds, and cow barns face constant exposure to extreme temperatures and high levels of humidity throughout the year. Furthermore, the presence of pollutants like animal waste can cause stru
Seamless steel pipe for structure (GBT8162-1999). Mainly used for general structure and mechanical structure, it is a kind of variety that is divided into different uses. Its representative materials (brands): carbon steel, 20, 45 steel; alloy steel Q345