... :0.7mm-2.0mm thin wall galvanized belt square tube for construction1.size:20*20-100*100mm or ... quality with competitive price5.quick delivery6.directly from the workshop7.QC and CO will be provided8.FREE ... by our customers.Now we provide 300 series,400 series,200 series,900 series,colored sheets,coils,pipes and tubes, ... etc. Hi Sir/Madam,Thank you very much for visiting our website.I hope you enjoy it. ...