- The profile fan thickness is 68mm, and the visible surface of the door leaf is 140mm after closing.
- The upper part adopts the bearing design of the positioning pulley block, and the lower part adopts the load-bearing pulley block, which has
higher safety performance.
- Perfect sealing structure design, a variety of door and window types are available, folding fans can be odd and even; more doors can be freely
folded left and right, concise and bright.
- Arc-shaped sealant is installed between the door leaf and the center column to prevent hands from being caught when pushing the door.
- The lower wheel of super load-bearing bearing adopts high load-bearing single-row deep groove ball bearing inside the pulley, which has low
resistance, light and stable operation wear resistance and long product life.
- The profile adopts EPDM sealing tape, which is not easy to age, more durable, and achieves a more comprehensive sealing effect.
- Profiles and hardware doors and windows are common, door leaves can be combined at will 440/422/431/330/321, et