ISO CERTIFICATION - filtered list companies.

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PTPA JSC (Penztyazhpromarmatura) is a major Russian company that has gained recognition as a world class manufacturer of industrial valves and accessories for chemical, oil, gas and other industri Read more about JSC PTPA


BSI is the business standards company that helps over 80,000 clients worldwide adopt standards of best practice and turn them into habits of excellence. Read more about BSI

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