High Quality U Beam Galvanized Steel Profile 40-100 Mm Hot Dipped Steel Channel Custom Length C steel channel is thin and light in weight, with excellent section performance and high strength. It is made of the hot roll coil by cold processing. As the main structure of the pv mounting system,the galvnized steel are made by good quality Q235B and Q345B.The performance of load-bearing,wind resistance and seismic resistance has been given sufficient consideration,which will