Main features
Die-cast aluminum housing guarantees a long useful life.
Gear wheel is made of high quality steel, sturdy and durable.
Limit switch enables precise adjustment of door in up and down positions.
A unique brake is provided for accurately stop the door.
Quiet and stable operation.
Safety device against roller chain break off.
Please ask detailed and specific
questions about Pricing, Minimum Order Quantity, Delivery Timelines etc. Detailed Messages
result in prompt responses.