Produced by latest automatic production lines,adopted newly sanding technology and manufacturing technique,6 different kinds of grinding materials included white fused alumina,high-temperature calcined brown fused alumina,brown fused alumina,iridium plated brown fused alumina,black silicon carbide,green silicon carbide,and full integrate the glue with the grinding material by the import glue evenly coated on soft sponge with high elasticitity to make it with strong cutting force & wear resistance.It is widely use to polish the material of stainless steel,magnesium slloy,ABS,and have a god effect on mirror polishing & grinding of mobile phone shell,digital camera cover.