The muffler chamber is filled with 50mm thick centrifugal glass wool, and coated with glass cloth and Φ4mm aperture porous plate. The keel is galvanized plate. The thickness of the air deflector is 50mm.

• 

  CMA metrological certification

• 

  National quality supervision, inspection and certification

• 

  China recognizes the joint symbol of international mutual recognition

• 

  China recognizes the joint symbol of international mutual recognition