Yih Troun, abbreviated as Y.T. was established in 1977 in Taiwan as a global frontier in the concept of manufacturing INDEXABLE HIGH FEED CUTTER and INDEXABLE TAP. It is the one and only company in Taiwan to manufacture indexable shank holder together with unique core technology for carbide insert sintering and grinding. Its huge investment in R&D, vertical integration manufacturing with brand marketing has enabled full-range of solutions to its customer across the world.

In order to increase efficiency and decrease cost, we have been committed to the development of indexable cutting tools. Y.T. has established its own brand across 40 different countries with almost 4500 products consisting more than 30 different patents.