| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 180.62 | USD | 20251103 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 180.59 | USD | 20251031 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 183.45 | USD | 20251030 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 183.45 | USD | 20251030 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 183.5 | USD | 20251029 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 183.47 | USD | 20251028 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 183.47 | USD | 20251028 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 183.28 | USD | 20251024 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 183.31 | USD | 20251023 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 183.22 | USD | 20251022 |