CRYSCORE OPTOELECTRONIC LIMITED is a professional manufacturer that produces and supplies high-quality sapphire wafers and optical windows since 2008. With over 10 years of experience, we can provide 2 inches to 8 inches 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.