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Anonymous users2024-01-24200 square meters of room, the height of the floor is installed 3 meters to calculate, then the volume of the space is 600 cubic meters, generally speaking, the exhaust air volume of public places is 3 to 4 times the volume of the space, that is to say, the total air volume of the exhaust fan of this space is 2400 cubic meters per hour, like this exhaust air volume, if it is the installation of ceiling pipe exhaust fans, 8-10 need to be installed, and to install pipes, it is more troublesome, The most convenient is to open a 300mm square hole on the window or on the partition wall, it is best to open a 350mm square hole, install the partition wall shutter ventilation fan APB30B1 product, the exhaust air volume of this exhaust fan is 1200 cubic meters per hour, it is recommended that you install three, separate control, when necessary, all open, usually only open one or two can meet the needs of exhaust, static electromechanical technology can provide you with a solution for exhaust fan product selection.
The question you asked is very general, about 80,000 yuan for a half-pack of simple packaging, mainly depending on the material you choose, design style, etc. The decoration of the good point has to be more than 150,000.
Open a store and make money. You have to have a market position. High-end, low-end. Or do specializations. It depends on what happens in your home. You'd better check out the shops that look around. Take a look at them. If you have more or less the same products, you won't make money.
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There is no tax exemption policy for value-added tax in the national taxation administration, only the threshold policy, that is, the threshold can not be paid when the monthly sales are less than 20,000 yuan, but whether it can reach the threshold will be determined by the tax department according to the relevant data extracted.