Why high-end hotels are always bright and clean? Why their struggle may not be able to clean Windows

Cleaning company who is easily wiped clean? Because they used special tools!

Professional cleaning tools for cleaning companies and hotels: Glass blowing

[Features]
Used for cleaning the glass of water on the scrape and bright as new. 
[Usage]
Assemble the glass blowing, will strip glued to the glass gently scrape to scrape off the water in the glass, it's that simple.

First rub it again in the glass with a damp cloth, then scrape the glass with a glass of water to shave again, and finally with a clean cotton cloth to gently wipe glass again, OK! Such glass really clean, bright as new