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Quality Policy

Quality Policy

Diffraction International strives to exceed customer's expectations by:


Diffraction International’s Quality Management System is certified to ISO 9001:2015 by Perry Johnson Registrars, Inc. The scope of this certification is “Design and Manufacture of Diffractive Null Tests for Aspheric Optics”. A facsimile of our Certificate of Registration appears here.

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Page updated: 29 May 2019

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