... our goods passed ISO9001:2000 certificate.Plain v-belt: FM(9.5),Z,O,A,B,C,D,E,F, ... SPZ,SPA,SPB,SPC, 3V, 5V,8V,14X10, 21X14,etcRaw Edge V-Belt ... , SL, etc.Rubber Ribbed Belt: PH,PJ,PK,PL,PMFeature of rubber v-beltEnvelope:A special rubber-impregnated fabric that ... Height(h)WedgeangleZ(O,M)8.510640°A11138B141711C192214D273219E323825Narrow V-belt(Unit:mm) TypeUpper Width(b)Height(h)WedgeangleSPZ9 ...