ALL DETAILS CAN ADJUSTED ACCORDING TO CLIENTS"REQUIREMENT" Casement windows are hinged to the sliding support (four-link, etc.), the sash and the frame are connected, the other side of the grip, horizontal or axial inside and outside open inside and outside the open windows. Casement in closed and locked state, the rubber seal is pressed against the seal groove box fan and elastically deformed, forming a complete sealing system, insulation, thermal insulation, sealing, better sound insulation. While in the open state of the sash can be opened for ventilation performs well. Pingkai Chuang a large number of used in the city's commercial and residential buildings, office buildings, high-end residential, villas and other high-grade buildings。