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Tosoh Quartz, Inc. is committed to our internal written operating philosophies, values and standards of conduct.More
Tosoh Quartz, Inc. Earns Intel’s 2020 Preferred Quality Supplier (PQS) Award

Portland, Oregon – Tosoh Quartz, Inc. is proud to announce that it has earned the Preferred Quality Supplier (PQS) Award for 2020. 

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Tosoh Quartz Receives Lam Research 2016 Supplier Excellence Award

Annual Recognition Program Acknowledges Tosoh Quartz’s Exemplary Quality

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Tosoh Quartz, Inc. seeks talented, committed personnel to join our team.More