| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 253.77 | USD | 20251021 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 253.62 | USD | 20251020 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 253.7 | USD | 20251017 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 253.64 | USD | 20251016 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.58 | USD | 20251015 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.49 | USD | 20251014 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.54 | USD | 20251013 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.39 | USD | 20251011 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.39 | USD | 20251011 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.39 | USD | 20251010 |