We are manufacturer of master and ink for Ricoh, Riso and Duplo, and we can supply you all types of master and ***** Our company name is Rito Digital Technology Limited which was founded in 1995, we are a professional manufacturer specialized in producing "Master Roll" with excellent quality, With greatest effort contributed by our R&D team over years, we have successfully developed unique production line and know how in producing the "Master Roll". We offically patented "Master Roll" in the ***** in 2001. We have implemented and maintain quality system ISO9000:2000 edition in 2004. We presently may supply entire series of "Master Roll" for "Ricoh" "Riso" "Gestener" and Duplo" Digital Duplicator.