| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1174.43 | USD | 20251029 |
| Shandong Langchem | China national standards | MT | 1213.95 | USD | 20251029 |
| Wanhua Chem | China national standards | MT | 1340.99 | USD | 20251029 |
| Shandong Jinwen Chem | China national standards | MT | 1213.95 | USD | 20251029 |
| Shandong Jinling Chem | China national standards | MT | 1242.18 | USD | 20251029 |
| Shandong Zhiheng | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Zhiheng | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Zhiheng | China national standards | MT | 1171.6 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 1093.97 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 1188.54 | USD | 20251029 |