| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.55 | USD | 20250731 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.55 | USD | 20250731 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.55 | USD | 20250731 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.91 | USD | 20250730 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.91 | USD | 20250730 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.91 | USD | 20250730 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.91 | USD | 20250730 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.91 | USD | 20250730 |
| 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 |