| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 816.27 | USD | 20250930 |
| Sinopec | China national standards | MT | 886.64 | USD | 20250930 |
| Sinopec | China national standards | MT | 802.2 | USD | 20250930 |
| Shandong Zhiheng | China national standards | MT | 802.2 | USD | 20250930 |
| Jinan Dezheng Chem | China national standards | MT | 957.01 | USD | 20250930 |
| Jinan Dezheng Chem | China national standards | MT | 957.01 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 942.93 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 816.27 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 816.27 | USD | 20250930 |
| Wanhua Yantai | China national standards | MT | 816.27 | USD | 20250930 |