<p>outside can have moisture, water, noise effect, the installation is very simple and quick, very time-saving, so very popular in our country. Fourth, the use of medium- with a variety of types of ceiling keel with the use of C-type keel ceiling, self-supporting ceiling, T-keel ceiling. 1, the medium density Aite board used in the wall density Aite board can be used with </p>
<p>different types of partition keel, such as UC wall light steel keel, wood keel and so on. The partition wall consists of medium-density Eite board, partition wall light steel keel, mineral wool filling and other accessories. This structure can meet all kinds of different requirements, such as fire, noise, insulation and so on. Medium-density sound-absorbing wall structure, will have a regular perforated plate fixed to a </p>
<p>skeleton above, the use of sheet and the back of the cavity or mineral wool composition of the sound-absorbing structure. The sound absorption coefficient of the plate depends on the perforation rate of the plate, the cavity at the back, and the mineral wool. Medium density veneer wall applications, with light steel keel plate will be fixed on the old wall above, for the renovation of the wall surface. Medium-</p>
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