| Symbol | Name | Country | Exchange |
|---|---|---|---|
| GURE | Gulf Resources, Inc. | US | NASDAQ |
| BLGO | Biolargo Inc | US | OTC |
| IOFNF | Iofina Plc | US | OTC |
| IOF | Iofina Plc | UK | LSE |
| 0189 | Dongyue Group Ltd | HK | HK |
| ECR | Ercros | ES | MC |
| 000818 | Hangjin Technology Co Ltd | CN | SHE |
| 600727 | Shandong Lubei Chemical Co Ltd | CN | SHG |
| 603379 | Zhejiang Sanmei Chemical Industry Co Ltd | CN | SHG |
| 002915 | Zhejiang Zhongxin Fluoride Materials Co Ltd Class A | CN | SHE |
| 605020 | Zhejiang Yonghe Refrigerant Co Ltd | CN | SHG |