| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 2829.41 | USD | 20251211 |
| Jinan Jinrihe Chem | China national standards | MT | 2826.74 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 2825.94 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 2826.3 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 2826.9 | USD | 20251207 |
| Jinan Jinrihe Chem | China national standards | MT | 2826.9 | USD | 20251205 |
| Jinan Jinrihe Chem | China national standards | MT | 2827.53 | USD | 20251204 |
| Jinan Jinrihe Chem | China national standards | MT | 2826.7 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 2826.7 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 2825.1 | USD | 20251202 |