构建DB(Database)

| 数字 | 类别 | 子类别 | 公司名称 | 地点 | CEO | 联系电话 | 访问次数 |
|---|---|---|---|---|---|---|---|
| 292 | Wastewater | plant | KEOSONG CONSTRUCTION CO., Ltd | Goyang | 조성만 | 02-585-2123 | 6 |
| 291 | Water | production | INWOOECO | Hanam | 공성옥 | 02-2202-7028 | 4 |
| 290 | Water resource | water dam, reservoir | DISTECH | Hwaseong | 김양배 | 031-273-8431 | 4 |
| 289 | Water | production | Korea Environment Institute | Anyang | 안교원 | 031-689-3350 | 2 |
| 288 | Water | plant | E8IGHT | Seongnam | 김진현 | 1811-2707 | 2 |
| 287 | Water | management | HAW JEONG ENGINEERING CO.,Ltd | Anyang | 조양근 | 031-342-2955 | 3 |
| 286 | Water | Water | Shinhwa D161 Corporation Limited | Goyang | 신화정 | 031-968-0441 | 3 |
| 285 | Water | treatment, process | ECOTANSO | Goyang | 정원식 | 031-910-0678 | 2 |
| 284 | Water | Water | Econixx | Hwaseong | 이희준 | 031-8077-2095 | 5 |
| 283 | Wastewater | treatment, process | Jeong Woo ENT Co., Ltd | Anyang | 박병선 | 02-523-0078 | 4 |