The muffler chamber is packed with 25mm thick centrifugal glass wool, coated with glass cloth and porous plate, and the keel is galvanized plate, which has the characteristics of reducing noise and stabilizing air flow. The silencer plenum is an indispensable equipment for connecting the air conditioning unit with the main pipe in the ventilation duct, which can not only reduce the diameter, reduce the sound, but also play the role of steering.

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  CMA metrological certification

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  National quality supervision, inspection and certification

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  China recognizes the joint symbol of international mutual recognition

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  China recognizes the joint symbol of international mutual recognition