| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinmao | China national standards | MT | 1101.03 | USD | 20251029 |
| Shandong Jinling | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Langchem | China national standards | MT | 1263.36 | USD | 20251029 |
| Shandong Langchem | China national standards | MT | 1213.95 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 1432.75 | USD | 20251029 |
| Shandong Yeyang Chem | China national standards | MT | 1101.03 | USD | 20251029 |
| Shandong Langchem | China national standards | MT | 1397.46 | USD | 20251029 |
| Shandong Jinling Chem | China national standards | MT | 1101.03 | USD | 20251029 |
| Dongying Huatai Chem | China national standards | MT | 1482.15 | USD | 20251029 |
| Dongying Huatai Chem | China national standards | MT | 1101.03 | USD | 20251029 |