... style Sliding, casement, turn-tilt, tilt-sliding, single-hung, double-hung, etc. Specification(size, color,etc.) Different countries have different ... 2-2.2mm, thermal break aluminum profile Glass Single, double, tripled glass; double glass with grille Low-E glass, Tempered glass, ... from America,Europe,Australia and Japan.More than 30% new customers come from the recommendation of the old customers. ...