| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 2157.06 | USD | 20251021 |
| Wanhua Chem | China national standards | MT | 1022.13 | USD | 20251021 |
| Wanhua Chem | China national standards | MT | 2155.75 | USD | 20251020 |
| Wanhua Chem | China national standards | MT | 1021.52 | USD | 20251020 |
| Wanhua Chem | China national standards | MT | 760.85 | USD | 20251020 |
| Wanhua Chem | China national standards | MT | 2156.48 | USD | 20251017 |
| Wanhua Chem | China national standards | MT | 1021.86 | USD | 20251017 |
| Wanhua Chem | China national standards | MT | 761.11 | USD | 20251017 |
| Wanhua Chem | China national standards | MT | 2155.9 | USD | 20251016 |
| Wanhua Chem | China national standards | MT | 760.91 | USD | 20251016 |