... small transfiguration,non-polluting,innocuous,insulating. Aluminium alloy door and window which is the most initial aluminium profile.It ... character of high intenstity,light weight,good stability and anti-corrosion,good plasticity,small transfiguration,non-polluting ... alloy door and window is within or over the related national standard.We develop,design and install aluminium alloy door and window for ...