Elegance and beautiful shape, modern and practical design , having scientificalness and personality. Having automatic dustproof system in it , dust eliminated when the window screen operated

Screen Fabric: All use Phife Screen of the highest quality , which are avirulent insipidity , anti-corrosion , antiflaming , easy clean , ametabolic , longer service life .

Spring: Material is Mn 65^{# ,} which surface is processed by Dacrolon-tech. It doesn't rust. And nimble and light to use.

Accessories: Material is PA6, excellent mechanical strength and toughness, and chemical resistance, dimension stability , low dilatation .

Aluminum Alloy Profile: Material is 6063-T5 of high intensity. Oxidize, Heattinting, Spray powder are available . Many colors are at your choice .