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Clemmeo is a mechanical company with twenty years of experience in the field of designing and building machinery for the goldsmith industry.
http://www.ciemmeo.com/
Created in 1994 by Mr. Davi GALVAO and subdivided in specific departments allowing versatility, flexibility and high quality standards.
http://www.galvaogems.com/
The Most Comprehensive Research Study of GE POL Diamonds.
http://www.gubelinlab.com/