Our factory locates near Shanghai port with monthly output 8000 tons for the following items: HR/CR and galvanized welded steel tube & pipe OD 1/2inch - 8inch WT 20Ga - 4Ga Length:19ft - 20ft Some suppliers also call this as hollow section, that is it. We can satisfy some buyers' requirement of cutting the long length into short length, and then packing with suitable package or box.