Fire exhaust air box Jiangsu professional manufacturer company for different site conditions and customer import and export a variety of different directions, equipment parts using precision molds production, high dimensional accuracy, can be assembled after the break, at home and abroad suction fan impeller development on the basis of tertiary institutions, all of mold production. Multi-leaf wing forward impeller with high efficiency, low noise, large air volume, stable, stable quality, durability and other characteristics. Fire exhaust air box Jiangsu professional manufacturer company for different site conditions and customer import and export a variety of different directions, equipment parts using precision molds production, high dimensional accuracy, can be assembled after the break, at home and abroad suction fan impeller development on the basis of tertiary institutions, all of mold production structure is solid, fire exhaust wind chassis is a high-pressure wind volume, low noise centrifugal wind chassis, with a high temperature, high-temperature exhaust system airflow isolation Motor separately, make sure the fan at 300 degrees Celsius, the continuous operation of more than 60 minutes, excellent performance, novel structure, compact, vibration, light weight, ease of installation, hotels, restaurants, halls, theaters, basements, industrial enterprises, ideal for office buildings and other places of ventilation exhaust, is the high-rise building fire exhaust fan replacement products, it is now sold all over the countries, praised by users. Volute using high-quality galvanized sheet steel or carbon steel plate, mechanized production. Frame using advanced metal Roll Forming a stretching unit, box board for the dual board structure, inner silencer material, further reducing noise box with frame, box board assembly design. Lianyungang Rood air-conditioning equipment installation Co., Ltd. Contact: road manager fire exhaust air box