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The keel of the ceiling is similar to light steel keel and wood keel, and the U-row iron is relatively thin.
The ceiling is all square and arc-shaped, and the iron is generally much thicker.
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That's a must, and the general wooden strip can also be called a keel
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Yes, for sure.
The integrated ceiling of the bathroom and kitchen is hung in every household, and the ceiling of the living room and dining room is up to you.
According to the layout of your own home, if the dining room and living room are integrated, it is generally recommended to have a slightly more obvious regional division, and the dining room is not integrated, of course, there is a difference in treatment, all in all, there are generally certain differences between regions.
Not all, but it can be said that big brands generally need, each brand investment policy is different, see which one is more suitable for you, talk about a few to know, as long as you have the strength, many have preferential policies.
Please provide us with more information about your specific situation before we can discuss it.
It is necessary to play a structural or steel keel.