Hwajeonsandan 5-ro 48beon-gil, Gangseo-gu (11)
| Address | Postal code | Building |
|---|---|---|
| Hwajeonsandan 5-ro 48beon-gil 5 | 46741 | |
| Hwajeonsandan 5-ro 48beon-gil 8 | 46741 | |
| Hwajeonsandan 5-ro 48beon-gil 9 | 46741 | |
| Hwajeonsandan 5-ro 48beon-gil 19 | 46741 | 삼보계량시스템 |
| Hwajeonsandan 5-ro 48beon-gil 21 | 46741 | 삼보계량시스템주식회사 |
| Hwajeonsandan 5-ro 48beon-gil 25 | 46741 | 연우기술(주) |
| Hwajeonsandan 5-ro 48beon-gil 26 | 46741 | |
| Hwajeonsandan 5-ro 48beon-gil 27 | 46741 | |
| Hwajeonsandan 5-ro 48beon-gil 31 | 46741 | 오성금속공업사 |
| Hwajeonsandan 5-ro 48beon-gil 32 | 46741 | 씨아이테크주식회사 |
| Hwajeonsandan 5-ro 48beon-gil 35 | 46741 | 삼진메카텍 |