| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 486.88 | USD | 20250614 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 486.88 | USD | 20250614 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 486.88 | USD | 20250614 |