Established in 1988, DON CO.,LTD. has beenmanufacturing special chemicals for Optics as a leader in this field and has supplying in theKorean market as well as other countries with a good reputation. In order to supply high quality to the variety of our customers, we opened the R & D Center at the same time. In the result, our R & D center haddeveloped VACO - vacuum coating chemicals and has being exported the materials for several ountriessince 1992. Furthermore, we have obtained ISO 9001 to make our customers be always satisfied with our best quality. In the future, DON CO.,LTD. is doing our best to give a good service to our customers at any time and any place.