| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1100.44 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1128.65 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1107.49 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1114.54 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1114.54 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1100.44 | USD | 20251027 |
| Lihuayi Weiyuan Chem | China national standards | MT | 994.62 | USD | 20251027 |
| Beijing Yanshan Petro | China national standards | MT | 1114.54 | USD | 20251027 |
| Shandong Zhiheng | China national standards | MT | 1114.54 | USD | 20251027 |
| Shandong Hongyang Chem | China national standards | MT | 1015.79 | USD | 20251027 |