| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.43 | USD | 20250805 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.43 | USD | 20250805 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.43 | USD | 20250805 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.23 | USD | 20250804 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.23 | USD | 20250804 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.23 | USD | 20250804 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.23 | USD | 20250804 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.23 | USD | 20250804 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.54 | USD | 20250802 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.54 | USD | 20250802 |