Shanghai ampelair machinery electronic technical Co., Ltd. is a professional manufacture and sales company of ventilation (cooling system) products. The main products of ampelair are ventilation products such as natural ventilators, jet nozzles, flexible connectors, spot diffusers, swirl diffusers, roof turbine air ventilator, turbine ventilator, rooftop ventilator, turbine airventilator, wind-driven turbine ventilator, attic roof turbine air ventilators, wind fans, turbo vents, roof turbo ventilator, rooftop turbo ventilator, attic turbine ventilator, wind turbine ventilators, ventilation and so on. Ampelair people believe the principle of best quality, best service and fair competition as well as warmly welcome genuine advices from all our customers. Ampelair people hope that all of us can keep abreast of time. Ampelair is also the sales agent of the world famous brand: Japan "mitsubishi" fan in China.