| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.36 | USD | 20251005 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.36 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.36 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.24 | USD | 20250929 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.24 | USD | 20250929 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.01 | USD | 20250928 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.35 | USD | 20250925 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.35 | USD | 20250924 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.35 | USD | 20250924 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.35 | USD | 20250923 |