| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 802.74 | USD | 20251013 |
| Shandong Qiangsen Chem | China national standards | MT | 802.74 | USD | 20251013 |
| Shandong Laya Chem | China national standards | MT | 746.41 | USD | 20251013 |
| Shandong Jinwen Chem | China national standards | MT | 852.03 | USD | 20251013 |
| Shandong Jinwen Chem | China national standards | MT | 852.03 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 887.24 | USD | 20251013 |
| Shandong Fusheng | China national standards | MT | 788.65 | USD | 20251013 |
| Shanghai Ronghe Chem | China national standards | MT | 788.2 | USD | 20251012 |
| Shandong Jinshenrun Chem | China national standards | MT | 745.97 | USD | 20251012 |
| Shandong Jinshenrun Chem | China national standards | MT | 745.97 | USD | 20251012 |