There are several special construction projects in the construction project?
Said the same thing, polystyrene foam is benzene board, polystyrene board, northeastern side is generally called benzene board, south of Gong hold the bar Yi visit the poem sails are called the bubble, there are called Polaroid , Is referring to a thing. The kind of white foam used in electrical packaging is.
What is the exterior scaffolding erection specification? What do you need to pay attention to?
