| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1255.91 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1100.68 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1079.52 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1100.68 | USD | 20251106 |
| Shandong Fusheng | China national standards | MT | 1058.35 | USD | 20251106 |
| Shandong Fusheng | China national standards | MT | 1128.91 | USD | 20251106 |
| Nanjing Runsheng Petro | China national standards | MT | 889.01 | USD | 20251106 |
| Shandong Aite Chem | China national standards | MT | 1270.02 | USD | 20251106 |
| Shandong Laya Chem | China national standards | MT | 1001.91 | USD | 20251106 |
| Shandong Zhenkun | China national standards | MT | 1079.52 | USD | 20251106 |