CK San-Etsu Co., Ltd. engages in the manufacture and sale of brass bar and wire products in Japan and internationally. It operates through the following segments: Copper & Brass; Precision Parts; and Piping & Plating. The Copper & Brass segment includes brass rods, wires, and tubes. The Precision Parts segment manufactures camera mounts, flare nuts, and faucet fittings. The Piping & Plating segment produces residential piping equipment and molten zinc plating. The company was founded in June 1920 and is headquartered in Takaoka, Japan.