Product properties :
     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 .
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