During the 70 years since its establishment in 1931, Daio Steel Ball has specialized in the manufacture of K&H-brand industrial steel balls for customers in Japan and around the world. Among other products, it manufactures extremely small steel balls for use in VTRs and computers, in which case precision at a level of 1/10,000mm is required. Daio Steel Ball will continue strengthening its technical capability in order to manufacture products of superior quality that fully meet the expectations of customers.