Our exhaust fan have advantages 1)380v,airflow: 44000 m3power:1.1kw 2)ccc certificate motor 3)Imported bearing Our exhaust fan are widely used in agriculture and industrys ventilationcooling system and heating system.Application for: animal husbandry, poultry house, livestock breeding, flowers and plants, greenhouse, factory workshop, textile, chemical, medicine, tea, vegetable storage, and ...