| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 1538.11 | USD | 20251111 |
| Liaocheng Yuanze Chem | China national standards | MT | 1538.33 | USD | 20251110 |
| Liaocheng Yuanze Chem | China national standards | MT | 1537.81 | USD | 20251031 |
| Liaocheng Yuanze Chem | China national standards | MT | 1538.16 | USD | 20251030 |
| Liaocheng Yuanze Chem | China national standards | MT | 1538.33 | USD | 20251028 |
| Liaocheng Yuanze Chem | China national standards | MT | 1537.79 | USD | 20251027 |
| Liaocheng Yuanze Chem | China national standards | MT | 1536.77 | USD | 20251024 |
| Liaocheng Yuanze Chem | China national standards | MT | 1536.99 | USD | 20251023 |
| Liaocheng Yuanze Chem | China national standards | MT | 1536.21 | USD | 20251022 |
| Liaocheng Yuanze Chem | China national standards | MT | 1536.73 | USD | 20251021 |