... .OEM,competitive price 4.high volume 5.high efficiency Cement Industry Blower Made In Chinaxinxiang city ventilator general factory CO., LTD ... .5Structure The blowers mainly consist of impeller,base,air inlet port, variable inlet vane damper and driving group.AplicationsAeratIon air blower ... base, main shaft, driving system (bearing house, bearing), coupling cement industry blower made in china