| Name | Kumagaya Plant | ||
| Address | 5310 Mikajiri, Kumagaya-shi, Saitama 360-8904 | ||
| Tel | +81-48-532-2833 | Fax | +81-48-532-2834 |
| Type of packing/products | Ordinary Portland cement | High-Early-Strength Portland Cement | Portland Blast-Furnace Slag Cement B type | Moderate-Heat Portland Cement |
| Bulk | ✔ | ✔ | ✔ | ✔ |
| Bag | ✔ | ✔ | ||
| Flexible container | ✔ | ✔ |