The low-noise concrete vibrator shaft is the new products which has been researchde and devetopes by our comp-any for severai years and possessed the intellectuai property independentiy,gain the patevt through the nation intel-lectuai property bureau.The vibrator head had a gear accelerator and a rotating off-centerbody upheld by bearing,so it can revolve 12000 revotutions per minute.As rotation with advanced off-center body,reducing the noise of vibration gratly. At the same time,the vibration is more powerful and efficient,comparing with the motor-in-head fow noie vi-brator shaft,this product has the character of lower price,more rellable perormance,bigger vibration force and long-erwork life,it is a kind of low-noise and environmental protection type and regeneration product of concrete vibrtor shaft