The middle of the top is slightly higher than the two sides, which is conducive to rainwater sliding down to both sides. When the water slides down to both sides, it will fall on the upper beam, and there are openings on the beam for water to be discharged to the ground.
Isn't it very simple? Do you understand?
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Suzhou Dongji Integrated Housing Technology Co. , Ltd., a China factory specializing in selling prefabricated houses. Mainly selling assembled houses, flat pack houses, expandable container houses, etc.
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