In fact, it is the world's largest membrane structure project. The total investment of 1.02 billion, which lasted more than four years, is a water-based cube of the National Swimming Center, which is the same as the Bird's Nest.

The quality of the projection lamps on the market varies widely. One of the fatal factors affecting the life of the lamp is the problem of heat dissipation of the lamp.

When it comes to logo projectors, most people will only think of the various commercial advertisements that it projects, but in fact, the use of the projection lamp is much more than you think