... center drive, rim and spline sprockets for chain saw in the world. QIRUI sprocket are made to ... when they become worn and also the chain pitch without having to change the entire system ... saw chain, and sprocket in China. The product line includes guide bar, saw chain, sprocket, rim, wrench, chain breaker, rivet spinner, and saw ... SGS, ISO9001 conformity certifications. rim sprocket(chain saw sprocket)