| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 2825.1 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 2825.3 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 2825.3 | USD | 20251128 |
| Jinan Jinrihe Chem | China national standards | MT | 2825.7 | USD | 20251127 |
| Jinan Jinrihe Chem | China national standards | MT | 2825.02 | USD | 20251126 |
| Jinan Jinrihe Chem | China national standards | MT | 2823.82 | USD | 20251125 |
| Jinan Jinrihe Chem | China national standards | MT | 2822.98 | USD | 20251124 |
| Jinan Jinrihe Chem | China national standards | MT | 2821.87 | USD | 20251123 |
| Jinan Jinrihe Chem | China national standards | MT | 2821.87 | USD | 20251121 |
| Jinan Jinrihe Chem | China national standards | MT | 2820.68 | USD | 20251120 |