- NAKANISHI METAL WORKS CO., LTD.
- metal cage,Specialty steels and standard steels, Gauge steel SK5 TK5.
- Address:3-3-5, Tenmabashi, Kita-ku
- SAN-ETU CO., LTD.
- Special steel,Ordinary steel,Non-ferrous metals,Castings,Specialty steel (structural steel / tool steel),Special steel.
- Address:1-12-3, Juichiya, Minato-ku
1