GV Service is the Authorized US Distributor for Tooling for Cutting and Surface Finishing:

GVDT DIAMOND BLADES BULLNOSE WHEELS & TOOLING GVDT is GV Service’s private label which produces diamond blades, bullnose wheels & tooling.
DIALINE Srl manufactures diamond abrasives (resin bonded and sintered) and brushes for polishing all materials used in the stone industry.