It is a traditional small storehouse, such as using a water source from the Chichibu Mountains as a water source, steaming using a Japanese pot, and squeezing a tank.
| Product | Category | Avg. Price |
|---|---|---|
 Kaiun Iwaizake | Honjozo | — |
 Kaiun Tokusen Junmai Ginjo | Junmai Ginjo | — |
 Kaika Sanomaru Cup Sake | Tokubetsu Junmai | — |
 Kaika Junmai Daiginjo Yamadanishiki | Junmai Daiginjo | — |
 Kai Honjozo Namagenshu | Honjozo | — |
 Kai No Jizake | Tokubetsu Junmai | — |
 Junmai Kai Toumei | Junmai | — |
 Junmai Kai Nigori Nama | Junmai | — |
 Koyamahonke Kai | Other | — |
 Wine Type KH Kai Junmaishu | Junmai | — |
