Hangzhou Airflow Electric Appliances Co.,Ltd , located in Yiqiao town, Xiaoshan District,Hangzhou ,Zhejiang,China, is created by a group of like-minded industry veteran and is a professional businesses of R&D and manufacturing DC and AC external rotor centrifugal fans and axialfans.Products are widely used in heating, airconditioning,refrigeration,a ir purification,telecommunications, electric power and other industries. AIRFLOW covering an existing plant area 10000 square meters of production and R&D center about 1000 square meters. Employees are about 100 people, including R&D staff about 40 people. Annual production capacity is about 600,000 units. Hangzhou Airflow Electric Appliances Co.,Ltd material:Sheet aluminium Protection Class: IP54 Approvals: CCC CE Insulation class: F Characteristic 1.Applicable to high airflow; 2.Applicable to high pressure; 3.Applicable to large system resistance; 4.Applicable to high requirement of noise level applications. Application 1.Air Purification; 2.Ventilating Units; 3.Heat Pumps, Ground Source Heat Pumps, Air Source Heat Pumps; 4.Roof Fans; 5.Filtering, FFU.