Jose Rivera-Ortiz joined the company in 2004 as a Manufacturing Mechanical Technician. Over the years he took on many roles and responsibilities in the research and …
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WhatsApp: +86 18221755073
از 107 معدن فعال استان تهران، 101 معدن دارای فعالیت"استخراج سنگ، شن و .." بودهاند، 2 معدن "مس و بوکسیت"، 2 معدن "سیلیس" و مابقی فعالیت "استخراج مواد معدنی شیمیایی" داشتهاند.
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