TEW NORTH AMERICA(TEW NORTH AMERICA,TEW NORTH AMERICA)
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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 fo... 官方网址：http://www.tew.co.jp/ |
