Chongqing Superlier Machinery Parts Co., Ltd. is a professional manufacturer specializing in all motorcycle sprockets and providing high quality sprocket models. We have advanced manufacturing technology, high-quality equipment and strong financial strength. We provide products with high quality and favorable price. Each item is processed with Japanese high frequency quenching technique to make sure the uniformity of every motorcycle parts' hardness. We have our own brands such as "PSHR", ...