| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 833.82 | USD | 20251201 |
| Shandong Yuxuan Chem | China national standards | MT | 833.46 | USD | 20251129 |
| Shandong Yuxuan Chem | China national standards | MT | 833.46 | USD | 20251128 |
| Shandong Yuxuan Chem | China national standards | MT | 833.58 | USD | 20251127 |
| Shandong Yuxuan Chem | China national standards | MT | 833.38 | USD | 20251126 |
| Shandong Yuxuan Chem | China national standards | MT | 833.03 | USD | 20251125 |
| Shandong Yuxuan Chem | China national standards | MT | 832.78 | USD | 20251124 |
| Shandong Yuxuan Chem | China national standards | MT | 832.45 | USD | 20251122 |
| Shandong Yuxuan Chem | China national standards | MT | 832.45 | USD | 20251121 |
| Shandong Yuxuan Chem | China national standards | MT | 832.1 | USD | 20251120 |