Fire-proofing door

Sound absorb and insulation
95mm soundproof wall can have a soundproof standard which a 123mm wall made
of four layers of 12mm gypsum plank, which is equal to the soundproof of effect of a 150mm common solid brick wall.

The material is A class frameless one tested state authority institute. The water absorb and max fire durability meet the demand for light inner partition completely.

The material is made of natural materials such as minerals and plant fiber, the
environment protection meets our country's dem