|Place of Origin:||China (Mainland)|
|Minimum Order Quantity:||10|
|Delivery Time:||5-10 Working days|
|Payment Terms:||L/C, D/A, D/P, T/T, Western Union|
|Supply Ability:||1000 Piece/Pieces per Month|
helical rack and pinion,
rack and pinion system
hard aluminum alloy rack and pinion mechanism 1650mm long ventilation rack
This rack works with Zinc alloy pinion, and is used to open and close continuous ventilation windows of greenhouses and similar buildings. Normally, It has a height of 24mm, and a width of 16mm.
The rack is made of high quality and hard aluminum alloy, and has high precision teeth.
It works very well with XTB zinc alloy pinions for ventilation.
This rack is strong, and has long life time. Its maintenance is very easy.
This rack works with steel pinion, and is used to open and close continuous ventilation windows of greenhouses and similar buildings.
1). Never rusty.
2). High quality and hard aluminum alloy.
3). Precise teeth.
4). Easy maintenance, reliable performance, and long lifetime.