| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 788.2 | USD | 20251011 |
| Shandong Zhiheng | China national standards | MT | 802.27 | USD | 20251011 |
| Jinan Dezheng Chem | China national standards | MT | 999.32 | USD | 20251011 |
| Jinan Dezheng Chem | China national standards | MT | 999.32 | USD | 20251011 |
| Shandong Aite Chem | China national standards | MT | 886.72 | USD | 20251011 |
| Shandong Aite Chem | China national standards | MT | 943.02 | USD | 20251011 |
| Hubei 789 Chem | China national standards | MT | 816.35 | USD | 20251011 |
| Hubei 789 Chem | China national standards | MT | 816.35 | USD | 20251011 |
| Jinan Jinhao Chem | China national standards | MT | 1182.3 | USD | 20251011 |
| Wanhua Yantai | China national standards | MT | 844.5 | USD | 20251011 |