50inch Swing Drop Hammer Ventilation Exhaust Poulty Fan/Cooling Fan for Chickenhouse/Pig House/Greenhouse/Industry/Warehouse with CE

1. Drop hammer fan mainly consists of blade/motor/frame/protect net/bracing cage/shutters. The motor drives blade to cause air 
2. flow and louver window can open and close automatically to keep the dust from entering.
3. Frame using advanced automatic processing, height precision; extra-depth zinc coating frame, high corrosion resistance;
4. High-strength aluminum alloy casting pulley, and reasonable perspective blade, to reach the maximum air flow.
5. High-precision micro-computer-aided manufacturing system make the best efficiency of the fan;
6. Five strict quality testing procedures: noise detection, vibration testing, concentric rotation performance testing, speed of blade testing and whole fan efficiency detection.
7. High quality motor with CCC certificate, IP55, Class F grade.
8. Use galvanize, FPR and ABS wind collector. Protect net is easy to be disassembled. CAD/CAM optimizing design.

1. Are you factory or trade company?
--We are the professional manufacture of ventailation exhaust fans, fiber glass cone fan, cooling pad equipment, heating products, feeding & drinking system for poultry houses.

2. Can you do make our own brand?
--Yes, we can provide the OEM &ODM service.

3. Any guarantee for your products?
--Our company's culture is "Quality is our culture!" All of our products with
12 months FREE GUARANTEE,never need to worry about the after-sale service,we will always be here to support your business!