... styleEuropean styleOpening styleSliding, casement /swing, turn-tilt, tilt-sliding, single-hung, double-hung, etc.Specification(size, color,etc.)Different countries have different ... & ODM.PVC/UPVC profileConch /Shide/Zhongying/Jinpeng / ZhongcaiGlassSingle, double, tripled glass;laminated double glass with grille ,triple glassLow-E glass, Tempered glass ...