automatic door parts With advanced technology and strict test, the whell can work over one million times.

automatic door parts

1.Durable life span

2.With 4 sets for a standard operator.

3.The material for wheel body is polyurethane.

4.The metal part is made of cold roll steel.

5.Adjustable both vertically and horizontally.

6.Easy to install.

7.  3-year roller waranty