| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.88 | USD | 20251005 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.88 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.88 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.8 | USD | 20250929 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.65 | USD | 20250928 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.88 | USD | 20250925 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.88 | USD | 20250924 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.88 | USD | 20250924 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.88 | USD | 20250923 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.76 | USD | 20250922 |