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ISO Certification

Our manufacturing plants in the USA and Japan work hard to meet quality and environmental standards that have been independently verified.

Weatherford, Oklahoma, US, certification:

Weatherford_ISO 9001_2015

Yamanashi, Japan certification quality management:

Yamanashi_ISO 9001_2015_qm

Yamanashi, Japan certification environmental management:

Yamanashi_ISO14001_2015_em