| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 1476.75 | USD | 20251009 |
| Sinopec | China national standards | MT | 1125.14 | USD | 20251009 |
| Shandong Jinling Chem | China national standards | MT | 1111.08 | USD | 20251009 |
| Shandong Jinling Chem | China national standards | MT | 1406.43 | USD | 20251009 |
| Shandong Zhiheng | China national standards | MT | 1329.08 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 1427.53 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 1427.53 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 1427.53 | USD | 20251009 |
| Shandong Jinling Chem | China national standards | MT | 1054.82 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1392.37 | USD | 20251009 |