Fire damper machine consists of frame production line,positive pressure air supply outlet production line,blades forming machine,supporting bar forming machine,spring forming machine,riveting platform and so on.

Fire damper machine consists of frame production line,positive pressure air supply outlet production line,blades forming machine,supporting bar forming machine,spring forming machine,riveting platform and so on.

Fire damper machine consists of frame production line,positive pressure air supply outlet production line,blades forming machine,supporting bar forming machine,spring forming machine,riveting platform and so on.