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Duqm Quarries is a closed joint-stock company (S.A.O.C), with the majority ownership held by Oman's Investment Authority (OIA) through Minerals Development Oman (MDO), which owns 70% of the company. ... Crushing & Processing. Efficient material extraction and crushing Systems. ISO Certified. ISO 9001:2015, ISO 14001:2015, ISO 45001:2018 ...
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