Hammering device speed rotation adjustable according to the quality requirement and material to be processed. Very low noise level thanks to soundproofmaterial cabin.
可根据所需的质量和进行按摩的鞋材来调节按摩装置的旋转速度采用消声材料，在按摩过程中噪音非常小。
2
This material is soundproof.
这材料是隔音的。
3
You can choose using black or yellow soundproof cotton as material. More Further, in order to improve soundproof efficiency, indoor surface is boarded with tiny holes.