Including restaurants, factories, warehouses, basement, poultry, farms and greenhouses.There are single phase motor and 3 phase motor for choice, the voltage and frequency can be customized to meet the requirements of customers worldwide.
1. Frame: Hot Galvanized sheet with zinc thickness of 275g/sqm, high anti-corrosion performance
Shutters
2.Material: Hot Galvanized sheet with zinc thickness of 275g/sqm
Shutter Fixed Parts: High quality nylon.
Motor
100% pure copper wire.Motor Protection Grade: IP55 Insulation Class: F grade. Motor voltage and frequency can be customized.Both Chinese famous motor and Siemens motor are available.
Gatherer fan (flapper): A fan with greater efficiency based on the standard 50′ fan. The design with a furler can increase the negative pressure of poultry/pig house and make the ventilation smoother.
Heavy hammer fan:
★The fan blade is made of stainless steel, which is corrosion resistant and has long life.
★The belt adopts the rising and tightening device to keep the air volume even and consistent.
★High-strength aluminum-magnesium alloy and reinforced pulley, beautiful and practical.
Centrifugal fan:
The centrifugal opening mechanism is processed by nylon, with high strength and long life.
The steel parts embedded in the guide rod are installed on the flange surface, which enhances the reliability of the mechanism.
The rotation structure with internal bearing makes the opening mechanism more flexible in rotation.
When the fan rotates, the centrifugal force generated can quickly push the shutter open.
Q:Are you trading company or manufacturer ?
A:We are factory.
Q:How long is your delivery time?
A:Generally it is 15 days if the goods are in stock.Or it is 30 days if the goods are not in stock, it is according to quantity.
Q:Do you provide samples ?Is it free or extra ?
A:Yes, we could offer the sample for free charge ,But not free for freight cost .
Q:What is your terms of payment ?
A:Payment<=4000USD, 100% in advance.Payment>=4000USD, 30% T/T in advance ,balance before shippment.If you have another question, pls feel free to contact us as below.
Our Services
1.Fast delivery (Our factory has high production capacity and there is enough inventory to insure fast delivery for you)
2.Competitive price (We are manufacturer of our products, so we can provide you both high quality products and competitive price)
3.Perfect after-sale service (Our warranty time is 12 months, the longest in China.During the warranty time, if something wrong with our product, we can change it for you or send our engineer to your factory site to solve the problem)
Audited Supplier 
){kind=link}
){kind=link}