| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.44 | USD | 20250729 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.44 | USD | 20250729 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.44 | USD | 20250729 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.74 | USD | 20250728 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.74 | USD | 20250728 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.74 | USD | 20250728 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.74 | USD | 20250728 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.74 | USD | 20250728 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.07 | USD | 20250726 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.07 | USD | 20250726 |