... stability and anti-corrosion,good plasticity,small transfiguration,non-polluting,innocuous,insulating. Aluminium alloy door and window which ... good stability and anti-corrosion,good plasticity,small transfiguration,non-polluting,innocuous,insulating,strong fire-retardant,long lifetime( ... window is within or over the related national standard.We develop,design and install aluminium alloy door and window ...