| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 985.12 | USD | 20250923 |
| Zibo Lishuo Chem | China national standards | MT | 985.12 | USD | 20250923 |
| Zibo Lishuo Chem | China national standards | MT | 985.12 | USD | 20250923 |
| Sinopec | China national standards | MT | 1245.48 | USD | 20250923 |
| Lihuayi Shandong | China national standards | MT | 1242.66 | USD | 20250923 |
| Shandong Yuanhe Chem | China national standards | MT | 1097.71 | USD | 20250923 |
| Wanhua Chem | China national standards | MT | 992.16 | USD | 20250923 |
| Sinopec | China national standards | MT | 956.98 | USD | 20250923 |
| Sinopec | China national standards | MT | 956.98 | USD | 20250923 |
| Lihuayi Shandong | China national standards | MT | 948.53 | USD | 20250923 |