
Gofee Poultry Farm Chicken Broiler Layer Pig Animal Husbandry Livestock Farm Barn Galvanized Close House Side Ventilation Exhaust Fan. Professional Manufacturing: Over 10 years experience with own motor, blade, and installation workshops. Stainless Steel Blades: Special designed 430# stainless steel blades with 1.2mm thickness for durability. Customizable Motor: Motor voltage and frequency can be customized; China famous or Siemens motors available. Multiple Certifications: ISO 9001, CCC, CE, ETL, SGS, and BV certified for global market compliance. Ventilation Design Service: Professional team provides ventilation plan design for farms, greenhouses, and factories. High Efficiency Design: Large air volume with no deformation, no broken parts, and no dust accumulation. Durable Shutter System: Galvanized shutters with high-quality nylon parts ensure long service life and stable running.