| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 741.9 | USD | 20251208 |
| Sinopec | China national standards | MT | 1073.99 | USD | 20251208 |
| Shandong Jinwen Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Jinwen Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Yihe Chem | China national standards | MT | 805.49 | USD | 20251208 |
| Shandong Jinwen Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Xingtai Risun | China national standards | MT | 1285.96 | USD | 20251208 |
| Sinopec | China national standards | MT | 1102.26 | USD | 20251208 |
| Sinopec | China national standards | MT | 1095.19 | USD | 20251208 |
| Shandong Jinwen Chem | China national standards | MT | 932.68 | USD | 20251208 |