3. Greenhouse exhaust fan details :
Frame:

The outer frame size is 1380*1380*400mm ,made of galvanized board with the thickness of zinc layer 180um .

Shutter:

 Louvered window is made of aluminum alloy, 8 pieces of shutters, galvanized board,0.5mm thickness. Galvanizing layer ,160kg/m².

Blade:

6 pieces of blades  made from stainless steel ,thickness 1.2m

Motor:

 national-grade aluminum alloy frame motor, 380V, 1.1KW, 50Hz, 3-phase, 4-pole speed, 1410r/m, IP55, class F, efficiency 90%, top/foot mounted, certification, CCC&CE. 
4. Greenhouse fan equipment packing & shipment 

5. Our service :
* We can supply free sample for you checking quality. 
* Any problem about our products will be solved at the most prompt time.
* We always offer relative technical support/consultant and kindly after-sales servie
6. FAQ 
Q: Are you trading company or manufacturer ?
A: We are factory and we also have our trading company .
Q: How long is your delivery time?
A: Generally it is 20-30 days after order.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: How to install the greenhouse? Do you provide installation service?
A: We will provide paper or video building manual, or if needed we will send engineer
  to do installation guidance..