... :PH,PJ,PK,PL,PM ISO9001:2000 ISO OEM offered CR&HNBR for choice Package:48.5*33*41cm,65*37 ... -Belt,Poly Belt,V-Ribbed Belt,Poly Rib Belt2) Material: Rubber (CR& HNBR) 3) Type:PK,PM,PL,PH,PJ 4) Market ... hight-speed rotation,reverse flexure,small band pully,etc.*Core Rubber with high tension and low elongation,while the consistent tension ...