1)PU reinforced with steel wire Rubber reinforced with glass fiber 2)T2.5,T5,T10, ... , OEM service. Normal Width: 6,8,10,12,15,16,20,30,32,40,50,55,75,85,100(mm)material ... :rubber(reinforced by glass fiber) or PU(reinforced by steel wire)Till now, we have exported to many countries and regions ... tell me directly. Timing belt-5M-PU reinforced with steel wire