... -sliding, single-hung, double-hung, etc.Specification(size, color,etc.)Different countries have different demands for it; Special shaped ... 2.5mmSealRubber sealing strip, black or grey colorHardwareHigh quality Chinese hardware, (Multi-point lock and handle) , G-U or ... -sliding, single-hung, double-hung, etc.Specification(size, color,etc.)Different countries have different demands for it; Special shaped ...