http://pastport.jp/user/cryscore ja-JP "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 w 2021-04-21T17:03:36+0900 http://pastport.jp/user/cryscore/timeline/CRYSCORE%20OPTOELECTRONIC%20LIMITED cryscore http://pastport.jp/user/cryscore/timeline/CRYSCORE%20OPTOELECTRONIC%20LIMITED