PHONPA Doors & Windows,the official door and window partner of the Asian Olympic Council,was established in 2007 as a professional enterprise integrating research and development, design, production, and sales of high-end custom energy-saving intelligent windows and doors, curtain walls,and comprehensive system solutions.It is actively involved in formulating industry standards for system windows in China.Specializing in mid-to-high-end architectural windows and doors including system windows, sunrooms, indoor and outdoor shading systems; its business spans the entire industrial chain encompassing design, R&D, manufacturing, sales, and installation. By leveraging expertise from materials science to structural engineering to aerodynamics to acoustics; the company's window and door products exhibit outstanding sound insulation properties along with superior heat insulation performance while achieving leading levels of water tightness,air tightness,and wind resistance within the industry.