| Name | Naha Service Station | ||
| Address | 1-3-10 Minato-machi, Naha-shi, Okinawa 900-0001 | ||
| Tel | +81-98-862-3255 | Fax | +81-98-862-3709 |
| Type of packing/products | Ordinary Portland cement | High-Early-Strength Portland Cement | Portland Blast-Furnace Slag Cement B type |
| Bulk | ✔ | ||
| Bag | ✔ | ||
| Flexible container | ✔ |