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Ruby Stone

Business category 1 Metal Processing Service
City ( of main office ) Hà Nội, VN, Vietnam
Address Ba Dinh - Ha Noi - Viet Nam
Phones 84-4-7628261
Fax 84-4-7628261
Web site khoaninh.com
About Regarding industrial minerals, some precious stone mines in theLuc Yen and Yen Binh districts existed more than one million years ago with a great ruby reserve. Many precious gems have been found in the Yen Bai province and are considered as the national heritage of Viet Nam.
Date 2011 Oct 29, 00:10