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

Tecnodiamant TECNO DIAMANT is a leading company in the production and distribution of diamond tools for porcelain stoneware, natural stones, marbles as well as granites.
DIALINE Srl manufactures diamond abrasives (resin bonded and sintered) and brushes for polishing all materials used in the stone industry.