| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1394.23 | USD | 20251013 |
| Shandong Jinmao | China national standards | MT | 1098.48 | USD | 20251013 |
| Shandong Jinling Chem | China national standards | MT | 1098.48 | USD | 20251013 |
| Dongying Huatai Chem | China national standards | MT | 1098.48 | USD | 20251013 |
| Shandong Jinling | China national standards | MT | 1126.65 | USD | 20251013 |
| Dongying Huatai Chem | China national standards | MT | 1069.7 | USD | 20251012 |
| Shandong Jinling Chem | China national standards | MT | 1069.7 | USD | 20251012 |
| Shandong Jinling Chem | China national standards | MT | 1041.55 | USD | 20251012 |
| Shandong Jinling Chem | China national standards | MT | 1126.0 | USD | 20251012 |
| Shandong Jinshenrun Chem | China national standards | MT | 1126.0 | USD | 20251012 |