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TEW was founded in 1934, and started production of quartz crystal units. In 1977, TEW started production of synthetic quartz crystals by our own technology. In 1994, TEW developed a platinum autoclave and established mass production technology for dislocation-free synthetic quartz crystals. TEW, as a specialist in quartz crystals, has been providing the crystal products with superior quality and added value based on high-quality quartz crystals and unique process technology. TEW contributes to the society by developing and providing crystal products and electronics equipment and ZnO.
Innovative technologies for the 21st century. Crystal products, which play increasingly important roles in the electronics domain. TEW contributes to the development of telecommunications with state-of-the-art, high-quality crystal application products and wireless application technologies.