Now with the construction of the city, the application of ball-cap manhole
cover is also more and more, and it also occupies a very important position in
the market. Many underground power tunnels of our power facilities are used for
installation and protection. So its quality is related to the quality of our
application. Now our market products are generally round spherical ink covers or
square spherical ink covers are mainly two, in our road installation round
covers it is not easy to tilt, but also can effectively protect people and
vehicles through Its strength is very good. Even some of our large vehicles are
not damaged by tomatoes or tilted even after they are crushed. They have very
good environmental protection and are better protected in any hot working
environment Our underground power equipment, effective fire safety.