| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 975.07 | USD | 20251208 |
| Sinopec | China national standards | MT | 932.68 | USD | 20251208 |
| Hunan Yuanshuo Chem | China national standards | MT | 904.41 | USD | 20251208 |
| Derun Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 1017.47 | USD | 20251208 |
| Shandong Chambroad | China national standards | MT | 1073.99 | USD | 20251208 |
| Shandong Dongming Petro | China national standards | MT | 1879.49 | USD | 20251208 |
| Sinopec | China national standards | MT | 847.89 | USD | 20251208 |
| Shandong Mingyu | China national standards | MT | 876.15 | USD | 20251208 |
| CNPC | China national standards | MT | 847.89 | USD | 20251208 |