| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 691.36 | USD | 20251121 |
| Jinan Jinrihe Chem | China national standards | MT | 691.07 | USD | 20251120 |
| Jinan Jinrihe Chem | China national standards | MT | 705.17 | USD | 20251120 |
| Jinan Jinrihe Chem | China national standards | MT | 677.28 | USD | 20251119 |
| Jinan Jinrihe Chem | China national standards | MT | 705.66 | USD | 20251118 |
| Jinan Jinrihe Chem | China national standards | MT | 677.43 | USD | 20251118 |
| Jinan Jinrihe Chem | China national standards | MT | 705.97 | USD | 20251115 |
| Jinan Jinrihe Chem | China national standards | MT | 677.73 | USD | 20251115 |
| Jinan Jinrihe Chem | China national standards | MT | 705.97 | USD | 20251114 |
| Jinan Jinrihe Chem | China national standards | MT | 705.89 | USD | 20251112 |