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Anonymous users2024-01-24It's so simple, what is such a little arc!
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Anonymous users2024-01-23Is it used on the pillar?
Main keel, triangular keel, corner line, expansion pipe, large crane, triangular hanger, ventilation pipe.
There are many types of specifications and sizes of light steel keels for ceilings, and the main body is classified as follows: U-shaped keel: 25*19*; T-keel: >>>More
PT01 is the number of the material, the same is the same kind of ceiling material used, CH3200 refers to the distance between the bottom surface of the finished ceiling and the ground plane after completion.
It depends on the number of your speakers, just two ordinary ones, if there are many and the distance is a little farther, choose the special one, and ask the local background music for the specific situation.
Depending on what materials you use and what kind of ceiling you make, most of the gypsum board flat tops are generally 110 yuan per square meter, if the simple shape is generally 140 yuan per square meter, the more complex ones are generally 180 yuan per square meter, the aluminum gusset ceiling is generally 110 yuan per square meter, and the dust-free board ceiling is generally 30 yuan per square meter