Hwajeonsandan 6-ro 66beon-gil, Gangseo-gu (6)
| Address | Postal code | Building |
|---|---|---|
| Hwajeonsandan 6-ro 66beon-gil 9 | 46741 | 동인워터솔루션(주) |
| Hwajeonsandan 6-ro 66beon-gil 13 | 46741 | (주)신화볼트 |
| Hwajeonsandan 6-ro 66beon-gil 14 | 46741 | (주)마조산업 |
| Hwajeonsandan 6-ro 66beon-gil 19 | 46741 | (주)와이엔브이 |
| Hwajeonsandan 6-ro 66beon-gil 20 | 46741 | (주)디에이치테크 |
| Hwajeonsandan 6-ro 66beon-gil 27 | 46741 | 신진볼트 |