| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1030.71 | USD | 20251114 |
| Shandong Jinwen Chem | China national standards | MT | 988.35 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 988.35 | USD | 20251114 |
| Formosa Ningbo | China national standards | MT | 889.52 | USD | 20251114 |
| Wanhua Yantai | China national standards | MT | 896.58 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1058.95 | USD | 20251114 |
| Sinopec | China national standards | MT | 818.92 | USD | 20251114 |
| Sinopec | China national standards | MT | 790.68 | USD | 20251114 |
| Sinopec | China national standards | MT | 790.68 | USD | 20251114 |
| Sinopec | China national standards | MT | 889.52 | USD | 20251114 |