CK SAN-ETSU Co.,Ltd. is mainly engaged in the manufacture and sale of copper products. The Company operates in three business segments. The Wrought Copper segment is engaged in the manufacture of brass rods, brass wires and brass tubes which are materials for parts related to housing, home appliances, and automobiles. Production sites are the Tonami and Takaoka plants, the New Nitto plant and the Sakai plant. The Precision Parts segment is engaged in the forging and cutting of brass camera mount and faucet fittings. The Piping and Gilt segment is engaged in the manufacture of fittings used for water and gas piping. Hot-dip galvanizing is performed as a rust prevention treatment for steel materials. The main products include brass rods, brass wires, brass tubes, camera mounts, flare nuts, zarbos, plumbing equipment, and hot dip galvanizing.