| Products/Services We Offer: |
Buyang fire door closer is a new, patent product. It is improved and innovated by our technicians. It has its unique advantages except for functions of other common door closers.
1. The inner core is made of aluminum alloy. The outer shell is made of aluminum, iron or ABS plastics.
2. It adopts a new impetus rule which changes gear impetus of other door closers. It makes use of chain to make the axes turning which obviously reduces the resistance of closing the door. The separation of axes and oil tank |
Home
