Ventilation Equipment Co., Ltd. Shandong Aetna is specialized in producing high-temperature turbine manufacturer, Shandong Aetna Ventilation Equipment Co., Ltd. is a high-temperature high efficiency and low noise blower type fan, mainly for the transmission medium temperature below 1000 ℃ is not spontaneous combustion harmless of non-corrosive steel hot gas within the gas contained in the dust and hard particles is not greater than 150mg / m3. 1) The fan is a single inhalation 2) The fan can be made left and right rotation of two types, from the motor end face, such as the fan impeller rotates clockwise, said turn right to the "right" means; rotating counterclockwise, called L Fans of "left". Export position 3) fan generally made of 90 degrees, also designed and manufactured according to user requirements. 4) fan drive for the C-type and D-type, C-type, D-type representing the pulley drive and coupling drive.