| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 832.91 | USD | 20251107 |
| Zibo Lishuo Chem | China national standards | MT | 847.03 | USD | 20251107 |
| Shandong Yihe Chem | China national standards | MT | 790.56 | USD | 20251107 |
| Jinan Aochen Chem | China national standards | MT | 959.96 | USD | 20251107 |
| Jinan Aochen Chem | China national standards | MT | 1242.31 | USD | 20251107 |
| Jinan Aochen Chem | China national standards | MT | 1199.95 | USD | 20251107 |
| Formosa Ningbo | China national standards | MT | 889.38 | USD | 20251107 |
| Zibo Lishuo Chem | China national standards | MT | 847.03 | USD | 20251107 |
| Shandong Kaitai Petro | China national standards | MT | 917.61 | USD | 20251107 |
| Zibo Lishuo Chem | China national standards | MT | 847.03 | USD | 20251107 |