4 Aug 2017 World demand and production of diamonds both for gem and industrial purposes has increased nearly five-fold during the past 25 years.
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احصل على السعرالحصول على الاقتباسWhatsApp5 May 2019 Tyson Group and Green Diamond will be engaged in processing of plant in Kilinto Industrial Park in Addis Ababa told for The Ethiopian
احصل على السعرالحصول على الاقتباسWhatsAppProduction rose by 30% in 2006 and Endiama, the national diamond company of Angola, expects production to increase by 8% in 2007 to 10,000,000 carats
احصل على السعرالحصول على الاقتباسWhatsApp14 Jun 2017 (An example of an Ethiopian opal recently won from the earth) with most of the work carried out by hand and little in the way of heavy machinery. Overall production of gem-quality emeralds has been described by Jewellery · Engagement Rings · Emeralds · Diamonds · Sapphires · Rubies · Watches
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احصل على السعرالحصول على الاقتباسWhatsAppTwo Chinese companies have concluded a deal with Ethiopian government to invest a total of $2 billion to process Ethiopia''s. Read more
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