Hongyu Company, which has been constantly exploring and researching short fiber products, has performed the “produce-study-research” cooperation since it was founded, with the Center of Advanced Elastomer Materials, Beijing University of Chemical Technology (CAEM of BUCT). There are not only many famous experts and professors in CAEM, but also various kinds of advanced researching, testing and analyzing instruments and equipment, which make it one of the most important research teams in the field of rubber science and engineering. “Hongyu-BUCT joint-research center of short fiber preprocessing technique”, which was co-established in 2006, had developed several series of advanced short fiber products, for instance, cotton powder, nylon specially used for EPDM goods, predispersed aramid pulp, pretreated short aramid fiber, etc.