|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|
curved rack and pinion,
helical rack and pinion
hard aluminum alloy Greenhouse rack and pinion continuous ventilation rack , 1250mm long
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.