Oriental Chain Mfg. Co., Ltd. manufactures and sells roller chains. It offers standard roller, self-lubricating, extra heavy duty, mini pitch, corrosion and heat resistance, plastic, leaf, hollow pin, double pitch, attachment, top roller, bai speed, conveyor, circular side bow, cable, and agricultural chains, as well as roller chain with outboards, chain coupling, and sprockets. The company was incorporated in 1947 and is headquartered in Hakusan, Japan.