The product adopts up-to-date Europe and America formula refining but is accomplished, energy dirt such as prompt oil stain, dust, rain stain and finger mark on dislodging a windshield, the surface forms sparse water, the anti-fogging ion protects a film in glass, order the bright and clean lucency cleaning glass in the day after tomorrow, make ken especially limpid. Cleaning also may be used for guesthouse, shops and home glass.