| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 741.59 | USD | 20251202 |
| Shandong Yaoming Chem | China national standards | MT | 741.96 | USD | 20251201 |
| Shandong Yaoming Chem | China national standards | MT | 741.64 | USD | 20251129 |
| Shandong Yaoming Chem | China national standards | MT | 741.64 | USD | 20251128 |
| Shandong Yaoming Chem | China national standards | MT | 741.75 | USD | 20251127 |
| Shandong Yaoming Chem | China national standards | MT | 741.57 | USD | 20251126 |
| Shandong Yaoming Chem | China national standards | MT | 741.25 | USD | 20251125 |
| Shandong Yaoming Chem | China national standards | MT | 740.74 | USD | 20251121 |
| Shandong Yaoming Chem | China national standards | MT | 846.2 | USD | 20251120 |
| Shandong Yaoming Chem | China national standards | MT | 846.6 | USD | 20251119 |