机器特性：

1. 射出中底滚砂清洗机采用旋转摩擦原理，选用不伤射出中底的消光砂及消光液消除射出中底表面亮度，增加中底的质感
   
2. 射出中底自动滚砂清洗机可以自动进出料，消光砂自动回收清洗，产能提升
   

Machine characteristics:

1. The sand roller cleaning machine for the injection midsole adopts the principle of rotational friction, and uses matte sand and matte solution that do not damage the injection midsole to eliminate the surface brightness of the injection midsole and increase its texture
   
2. The automatic sand rolling cleaning machine for injection midsole can automatically feed in and out, automatically recycle and clean the dull sand, and increase production capacity