Weifang Jianliang Machinery Co.,Ltd is the professional manufacturer of husbandry equipment,Website:http://www.sdjianliangmachinery.com,which includes Exhaust Fans series,Cooling pad,Ventilation System for husbandry,poultry,greenhouse and Environmental Control System and so on.And also,our products are widely used in agriculture and industrial ventilation,cooling system and heating system,such as animal husbandry,poultry house,livestock breeding,flowers and plants,greenhouse,factory workshop,textile,chemical,medicine,tea,vegetable storage and...