Specifications Roll up Door Openers
1.Aluminium alloy shell.
2.Copper wire.
3.Anti-dropping device.
4.Alloy steel gear.
Roll up Door Openers Specification of FJJ343-3P(500):
Feture of garage door opener: 1.Shell: Aluminium alloy, solid and light. 2.Gear: High-quality alloy steel and special technical treatment to guarantee the strong hoist. 3.Limit System: Correct control, easy opetation, and big control range. 4.Teansmission System: High accuracy, smooth running, and low noise. 5.Anti-dropping device: Preventing accidental injury and esure safety.