The temperature inside and outside of aluminium windows in ghana of winter door is different somewhat, temperature difference is big to door window has very big effect, we should try to maintain to its in using process.  

1.keep the indoor ventilation is good, so that the doors and windows are in the normal temperature and humidity environment, prevent doors and windows due to humidity, temperature difference is too large and deformation, metal accessories corrosion show, edge sealing, decorative materials fall off.  

2.in winter, the outdoor temperature is low, families in the process of using heating equipment, to avoid heating objects too close to aluminum alloy doors and windows, so as not to heat deformation of doors and windows.