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Anonymous users2024-01-24The glass is changed to double glazing, and stainless steel soundproof doors are available on the market. It shouldn't be cost-effective to modify the rented house like this.
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Anonymous users2024-01-23Find some sound-absorbing boards to install, such as Fengwo cardboard, and the packaging can be soundproofed with Styrofoam.
Sound propagation is caused by the vibration of the air, and there is a way to solve this truth.
It's good to buy a quilt, or a quilt that you don't want, and then spread it out, and then make a beautiful view of the cloth.
The processing price of stainless steel security door is mainly divided into two parts, one part is the price of stainless steel, the more stainless steel material used, the higher the price, and the other is the labor cost, the greater the workload, the higher the cost. >>>More
It doesn't matter if the public door is facing the elevator entrance, and the public door of the elevator can be resolved.
The entrance door cannot be made of copper, and there will be patina after a long time. It would be good to use it in a relatively dry room!
It depends on whether the filament is drawn or the filament, and the filament is generally 2 yuan square. Short filament 5 yuan square. The weight is kilograms squared.