| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 887.24 | USD | 20251013 |
| Sinopec | China national standards | MT | 844.99 | USD | 20251013 |
| Sinopec | China national standards | MT | 731.9 | USD | 20251011 |
| Sinopec | China national standards | MT | 745.97 | USD | 20251011 |
| Sinopec | China national standards | MT | 731.9 | USD | 20251011 |
| Sinopec | China national standards | MT | 745.97 | USD | 20251011 |
| Wuhan Hengjiu Chem | China national standards | MT | 844.5 | USD | 20251011 |
| CNPC | China national standards | MT | 729.08 | USD | 20251011 |
| Sinopec | China national standards | MT | 844.5 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 886.72 | USD | 20251011 |