Aluminum Spring Door Material: 6063 T5 Aluminum Alloy,Website:http://www.hsdcurtainwall. ... , and put in the plywood pallet.For Less container loading, plastic foam inside for 1st protection, and plywood carton outside for ... , serial number, installation location, size and quantity.MarkItem Name: Aluminum Spring DoorsOriginal: ChinaItem No.: SD1Item: SD1 Door PanelPackage Size:2100X900X100mmWindow Size ...