... spur, center drive, rim and spline sprockets for chain saw in the world. QIRUI sprocket are made to exact tolerances and extreme quality ... of manufacturing guide bar, saw chain, and sprocket in China. The product line includes guide bar, saw chain, sprocket, rim, wrench, chain breaker, rivet spinner, and ... We have the CE, GS, SGS, ISO9001 conformity certifications. rim sprocket(chain saw sprocket)