| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 604.14 | USD | 20251230 |
| Wanhua Chem | China national standards | MT | 604.29 | USD | 20251229 |
| Unknown | China national standards | MT | 682.49 | USD | 20251229 |
| Wanhua Chem | China national standards | MT | 610.86 | USD | 20251225 |
| Wanhua Chem | China national standards | MT | 610.86 | USD | 20251225 |
| Shandong Fusheng | China national standards | MT | 707.35 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 891.27 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 891.27 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 855.9 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 855.9 | USD | 20251211 |