*The dates for the 2025 event will be posted as soon as they are confirmed.
Information for Course I on More-Compact type Johkasou
Mikihiro Mukai (Public Interest Incorporated Foundation Kodokan)
Japan Education Center of Environmental Sanitation
130-0024
２-23-３ Kikukawa, Sumida-ku, Tokyo
TEL: 03-3635-4880 (Switchboard),
