| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 972.79 | USD | 20251021 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 972.79 | USD | 20251021 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |