| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 491.66 | USD | 20250826 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 491.66 | USD | 20250826 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 491.66 | USD | 20250826 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 491.84 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 491.84 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 491.84 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 491.84 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 491.84 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.74 | USD | 20250823 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.74 | USD | 20250823 |