thermal break Aluminum windows wind proof high security triple pane folding glass window is an excellent window product integrating heat insulation, windproof and high security, which is suitable for all kinds of high-end residences and commercial places, The quality of our products is unquestionable. We have obtained NAMI and NFRC international certifications. Meanwhile, more than 5 years quality warranty is provided. We also provide after-sale service. Usually online technical support, onsite training, onsite inspection, free spare parts, return and replacement. The delivery time is about 25 to 35 days, or determined by special quantity. Single package size is 100X10X100 cm and single gross weight is 30.000 kg. For the packaging methods, we choose suitable package and reinforce for the selected quantity when loading and transport. If you have any further questions about this product, please don’t hesitate to contact us.