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Gemmological Laboratory Rastom University International is a private corporation that only offers services to companies or professionals. In this page you will find information of high business confidentiality and international commercial strategy of each of these companies, that is why its content is for the exclusive use of highly qualified users selected by Gemmological Laboratory Rastom University International. In order to register as a new user, please contact us by filling out the form that we are going to present, a Rastom ambassador will receive your request for contact and will evaluate the information received to allow or not the professional registration in our corporation.