Power Transmission belt Ribbed Belt:PH,PJ,PK,PL.PM ... /TS 16949:2002 OEM offered CR&HNBR for choice Power Transmission beltName:Poly belt,V-Ribbedbelt,auto V-Ribbed ... transmission efficency under theoperating environment of hight-speed rotation,reverse flexure,small bandpully,etc.*Core Rubber with high tension ... process of operationWe can provideSAMPLES Welcome to contact withus Power Transmission belt