HEAT-SINK&OSCO.,LTD. manufactures electronic components such as radiators and processes and sells metals and resins. The company provides products that satisfy customers by maximizing QCD with technologies and the latest equipment that it has accumulated over many years. The Production Control Dept., Quality Control Dept., and Distribution Section have been established in Koshigaya City, Saitama Prefecture, and the Heat Sink is compliant with these requirements, including plant guidance. Therefore, in the metal processing field, it is expanding its sales channels and increasing the number of products handled as technical sales channels for all manufacturers. In June 2014, HEAT-SINK&OSCO.,LTD. established its own plant to prioritize the development of new products, such as thermal countermeasures for the smart energy field, such as power conditioners and power storage systems, and water-cooled jackets for automotive inverters.