TRIS is globally recognized for manufacturing both carbon brushes for DC motors and precision machine powder metallurgy parts. Our worldwide reputation is supported by our continuous efforts in Research & Development. We involve early research in the science technology of Tribology, which is the study in surface friction, abrasion, and lubrication. TRIS ,whose name is derived from the word Tribology System, is engaged in the pursuit of manufacturing small but essential motor components. We promote environmentally-friendly business activities with product development reduces the environmental load