... windows product features:1.Impact resistant, corrosion resistant, free from distortion and discoloring, smart and flexible; 2,Optional and ... even, tender, smart and delicate.100% use A00 aluminum ingot to make the production, and never use waste materials.Over the past ... ) 6. Thermal Break(heat insulation) 7. Polish5) Packing: Kraft paper, Pearl cotton foam, plastic film, or as the customer requires6 ...