P-Ling Printing Science & Technology Com. founded in 2001, is a chief sci-tech company which has the advantages of development, production and machining of computer consuming materials. The company now mainly produces selenium drums, carbon powders, and printing selenium drum fittings of printers. The P-Ling product series are of excellent brands and high quality, all of which can be used for HP, branded, Epson, Lexmark, Samsung and other brands of laser printers and electrographs.