galvanized steel angle : zinc coating:according to customer's inqiury thickness:any size:20*20-200*200mm standard length:6m 25T in a 20'container packing:export standard packing by bundle thickness tolerance:+/-8% shipping time:within 30 days after receipt of the advance payment Usage:construction,communication steel tower,civil and agricultural machine making welcome your inqiury ,we will give you our best price and best service .