| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 987.65 | USD | 20251121 |
| Zibo Lishuo Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Aite Chem | China national standards | MT | 888.89 | USD | 20251121 |
| Zibo Lishuo Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Sinopec | China national standards | MT | 790.12 | USD | 20251121 |
| Shandong Kaitai Petro | China national standards | MT | 917.11 | USD | 20251121 |
| Shandong Kaitai Petro | China national standards | MT | 888.89 | USD | 20251121 |
| Zibo Lishuo Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Zibo Lishuo Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Aite Chem | China national standards | MT | 945.33 | USD | 20251121 |