Poly V-belt Main Type: PH, PJ, PK, PL and PM Material:CR&EPDM Poly V-belt:Features high power transmission efficiency and small ... pulley diameter, combining the high power transmission of V-belts with the good flexibility of flat belts.These features ... Industrial machine,Broadcasting equipment drives and House keeping electrical appliancesMain Type: PH, PJ, PK, PL and PM Poly ...