| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 1537.92 | USD | 20251122 |
| Liaocheng Yuanze Chem | China national standards | MT | 1537.92 | USD | 20251121 |
| Liaocheng Yuanze Chem | China national standards | MT | 1537.27 | USD | 20251120 |
| Liaocheng Yuanze Chem | China national standards | MT | 1537.98 | USD | 20251119 |
| Liaocheng Yuanze Chem | China national standards | MT | 1538.33 | USD | 20251118 |
| Liaocheng Yuanze Chem | China national standards | MT | 1539.2 | USD | 20251117 |
| Liaocheng Yuanze Chem | China national standards | MT | 1539.0 | USD | 20251116 |
| Liaocheng Yuanze Chem | China national standards | MT | 1539.0 | USD | 20251114 |
| Liaocheng Yuanze Chem | China national standards | MT | 1538.14 | USD | 20251113 |
| Liaocheng Yuanze Chem | China national standards | MT | 1538.83 | USD | 20251112 |