| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 804.9 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 797.84 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 797.74 | USD | 20251116 |
| Shandong Yihe Chem | China national standards | MT | 804.8 | USD | 20251116 |
| Shandong Yihe Chem | China national standards | MT | 797.74 | USD | 20251115 |
| Shandong Yihe Chem | China national standards | MT | 804.8 | USD | 20251115 |
| Shandong Yihe Chem | China national standards | MT | 804.35 | USD | 20251113 |
| Shandong Yihe Chem | China national standards | MT | 797.29 | USD | 20251113 |
| Shandong Yihe Chem | China national standards | MT | 797.65 | USD | 20251112 |
| Shandong Yihe Chem | China national standards | MT | 804.71 | USD | 20251112 |