Nippon Yakin Kogyo. 

Nippon Yakin Kogyo Co., Ltd. manufactures and sells stainless steel sheets and processed products in Japan and internationally. The company offers corrosion resistant, heat resistant, controlled expansion, soft magnetic, and non-magnetic alloys; and high strength and neutron absorbing stainless, as well as corrosion resistant pure nickel; other stainless steel products; and stainless steel floor plates, including POLKA and Checker. Its products are used for precision electronics, green technologies, marine structures, automotive, precision astronomical instruments, manufacturing and processing plants, and high-temperature environment industries, as well as in the protection of LNG, neutrons, and overlays applications. The company was formerly known as Nippon Kako Co., Ltd. and changed its name to Nippon Yakin Kogyo Co., Ltd. in 1942. Nippon Yakin Kogyo Co., Ltd. was incorporated in 1925 and is headquartered in Tokyo, Japan.