| 1.
| H. E. J. Research Institute of Chemistry |
🇵🇰 Karachi, Pakistan |
1 |
| 2.
| He Jhang Environmental Technology Co., Ltd. |
🇹🇼 Taichung, Taiwan |
1 |
| 3.
| HEJ Research Insitute |
🇵🇰 Karachi, Pakistan |
1 |
| 4.
| HEJ Research Institute |
🇵🇰 Karachi, Pakistan |
3 |
| 5.
| HEJ Research Institute Karachi University |
🇵🇰 Karaschi, Pakistan |
1 |
| 6.
| HEJ Research Institute of Chemistry |
🇵🇰 Karachi, Pakistan |
3 |
| 7.
| HEJATEX GMBH |
🇩🇪 Straubing, Germany |
2 |
| 8.
| HEJIAN TECHNOLOGY (SUZHOU) CO., LTD. |
🇨🇳 Suzhou, China |
7 |
| 9.
| Hejie Li |
🇨🇳 Tangshan, China |
1 |