CRYSCORE OPTOELECTRONIC LIMITED is a professional manufacturer that produces and supplies high-quality sapphire wafers and optical windows since 2008. With over 10 years experience, we can provide 2 inch to 8 inch and rectangle / square sapphire wafers with any orientations and thicknesses of standard / customized specifications. Our objective is to be a superior supplier with zero customer complaints and zero overdue throughout the year. As an ISO9001 and ISO14001 certified company, CRYSCORE has reliable manufacturing and quality testing equipment.