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In the production process of the traditional galvanized thin steel plate flange air duct, the inner wall of the air duct is pasted with thermal insulation cotton, and the diameter of the air duct is the inner diameter after pasting thermal insulation cotton. The automatic production is realized through the CNC production line, the product quality is reliable, and the process of on-site thermal insulation construction of the air duct is eliminated, and the installation efficiency of the air duct is effectively improved. It is suitable for various occasions.
In the production process of the traditional galvanized thin steel plate flange air duct, the inner wall of the air duct is pasted with thermal insulation cotton, and the diameter of the air duct is the inner diameter after pasting thermal insulation cotton. The automatic production is realized through the CNC production line, the product quality is reliable, and the process of on-site thermal insulation construction of the air duct is eliminated, and the installation efficiency of the air duct is effectively improved. It is suitable for various occasions.

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