| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1142.76 | USD | 20251027 |
| Zibo Lishuo Chem | China national standards | MT | 846.49 | USD | 20251027 |
| Zibo Lishuo Chem | China national standards | MT | 846.49 | USD | 20251027 |
| Zibo Lishuo Chem | China national standards | MT | 846.49 | USD | 20251027 |
| Zibo Lishuo Chem | China national standards | MT | 846.49 | USD | 20251027 |
| Wanhua Yantai | China national standards | MT | 846.49 | USD | 20251027 |
| Wanhua Yantai | China national standards | MT | 888.81 | USD | 20251027 |
| Wanhua Yantai | China national standards | MT | 895.87 | USD | 20251027 |
| Shandong Kaitai Petro | China national standards | MT | 917.03 | USD | 20251027 |
| Shandong Kaitai Petro | China national standards | MT | 888.81 | USD | 20251027 |