Cosemi Material (Jiangxi) Company Ltd.
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Leveraging the MPCVD process, the company can produce diamond rough with multiple sizes, perfect crystal forms and pure internal structures.With excellent yield retention and superior quality, our products precisely meet diverse application requirements in the jewelry industry. Common diamond rough dimensions include 14×16mm and 20×20mm, available for customization to other specifications based on client requirements, adapting to diverse processing and application scenarios.