| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Huayi | China national standards | MT | 887.39 | USD | 20251015 |
| Shijiaz Bailong Chem | China national standards | MT | 845.13 | USD | 20251015 |
| Jinan Aochen Chem | China national standards | MT | 845.13 | USD | 20251015 |
| Jinan Aochen Chem | China national standards | MT | 845.13 | USD | 20251015 |
| Jinan Aochen Chem | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong QiFa Chem | China national standards | MT | 887.39 | USD | 20251015 |
| Zibo Qixiang Chem | China national standards | MT | 845.13 | USD | 20251015 |
| Jinan Aochen Chem | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Wonfull Petro | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Huize Chem | China national standards | MT | 852.17 | USD | 20251015 |