| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.28 | USD | 20250701 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.28 | USD | 20250701 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.28 | USD | 20250701 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 488.92 | USD | 20250630 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 488.92 | USD | 20250630 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 488.92 | USD | 20250630 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 488.92 | USD | 20250630 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 488.92 | USD | 20250630 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 488.64 | USD | 20250628 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 488.64 | USD | 20250628 |