| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 1001.69 | USD | 20251031 |
| Shandong Yushuo Chem | China national standards | MT | 987.58 | USD | 20251031 |
| Shandong Hualu | China national standards | MT | 987.58 | USD | 20251031 |
| Shandong Hualu | China national standards | MT | 1100.45 | USD | 20251031 |
| Shandong Guanjiu Energy | China national standards | MT | 959.37 | USD | 20251031 |
| Jinan Aochen Chem | China national standards | MT | 1086.34 | USD | 20251031 |
| Shandong Haili Chem | China national standards | MT | 1269.75 | USD | 20251031 |
| Hubei 789 Chem | China national standards | MT | 1199.21 | USD | 20251031 |
| Shandong Yuxuan Chem | China national standards | MT | 987.58 | USD | 20251031 |
| Zibo Dehe Chem | China national standards | MT | 973.48 | USD | 20251031 |