| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1224.37 | USD | 20250923 |
| Shandong Huize Chem | China national standards | MT | 1055.49 | USD | 20250923 |
| Sinopec | China national standards | MT | 956.98 | USD | 20250923 |
| Lihuayi Shandong | China national standards | MT | 956.98 | USD | 20250923 |
| Sinopec | China national standards | MT | 942.9 | USD | 20250923 |
| Sinopec | China national standards | MT | 971.05 | USD | 20250923 |
| Shandong Yushuo Chem | China national standards | MT | 971.05 | USD | 20250923 |
| Shandong Yushuo Chem | China national standards | MT | 971.05 | USD | 20250923 |
| Shandong Shuojia Chem | China national standards | MT | 966.83 | USD | 20250923 |
| Shandong Shuojia Chem | China national standards | MT | 966.83 | USD | 20250923 |