DORIS is a professional & quality-focused manufacturer of digital duplicator ink, master, color & mono copier toner, laser toner cartridge, bulk toner powder. As a government supplier, we supply wide range of premium spare parts for duplicators, copiers and printers.We produce quality black & 50 colors of duplicator ink for Riso, Ricoh & Gestetner, Duplo, Seiki duplicators since 1996. Our experienced chemical experts devoting to duplicator ink with proprietary intellectual property rights. With its perfect printing, high density, fast drying <3min, fineness: <10um, pleasant smell and stable quality, now our ink already meet or exceed the performance of original! Also, we are the first master manufacturer introducing Japanese raw material & technology to China. We are excellent in manufacturing toner cartridges for Sharp, Kyocera Mita, Xerox, Konica Minolta, Ricoh, Canon, Toshiba, Samsung, HP, Epson, Panasonic...We select raw material from Japan, our professional design & manufacturing team with perfect analyzing experience, advanced testing equipment, we are committed to supplying top performance, consistent quality, competitive price and good service.Guided by creating the environment protection, qualified by ISO9001, our products are welcomed by customers covering more than 30 countries in USA, Europe, the middle east, Africa, southeast Asia. We offer good guarantee, we have full confidence that our products could meet your satisfaction and improve your market competition. Welcome to visit our web: www.inktonerco.comWe create values for our customers, looking for the dealers at home and abroad, regional agents, make progress together and achieve prosperous future.