| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 577.88 | USD | 20251017 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 577.73 | USD | 20251016 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 577.51 | USD | 20251015 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 577.29 | USD | 20251014 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 577.41 | USD | 20251013 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 577.07 | USD | 20251011 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 577.07 | USD | 20251011 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 577.07 | USD | 20251010 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 577.02 | USD | 20251005 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 577.02 | USD | 20250930 |