We started to manufacture "SENRAP" in August 2003, Which had been provied by Tohoku Kako for the mirror-polishing of sheet glass, mirror bevel and vertical sides.

On top of the conventional specifications, a new "SENRAP" is underdevelopment, using a new combination of well prepared of well, prepared rubber materials, to enabld cerium oxide fix grindstones to be used more for the mirror-polishing of glass