... .4) Good air-tightness, water-tightness, sound and heat insulation. 5) Good wind-resistance, widely used for ... Powder Coating, Fluorocarbon Coating, PVDF Painting, Break-Bridge and Heat Insulation, Film Attaching. 9) Hardware system: High quality hardware ... Service1) Can be used for new construction, remodeling or complete window replacement. Such as bedroom, kitchen room, bathroom, passageway, stair ...