... sprocket in China ,the products line including guide bar,saw chain, sprocket,rim,wrench,chain breaker,rivet spinner, ... from six inches to forty-two inches. 4.Saw chain's material is from Korea directly.we have ... certified.7.We produce chain breaker,rivet spinner and parts.8.we can open the best new mold for ... new drawing or samples. Alloy Guide Bar, Chain saw, High Quality Garden tools, Spare Parts