
Tungsten trioxide may be used to prepare a new energy efficient glass, which is environmentally friendly for use in building glass doors and windows. When it comes to the energy conservation of doors and windows, it is actually the energy saving of the entirety of doors and windows. That is to say, it is impossible to achieve energy saving effect by relying on glass alone. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html The sealing performance of doors and windows is also an…