In commercial offices, window films have also been widely used. Ordinary glass windows can make the indoor brightness exceed the comfort level of people under direct sunlight. Customers choose window film can solve this problem, thereby improving the comfort of employees’ office environment, so that can improve their work efficiency. At the same time, the window film can block Heat and UV rays. It can not only help owners reduce energy consumption, but also effectively protect office furniture. This client’s meeting room is a row of windows. After installing the window film, the entire indoor experience has improved a lot.