| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 746.16 | USD | 20250829 |
| Shandong Xima | China national standards | MT | 703.93 | USD | 20250829 |
| Shandong Xima | China national standards | MT | 703.93 | USD | 20250829 |
| Shandong Qiangsen Chem | China national standards | MT | 802.48 | USD | 20250829 |
| Shandong Qiangsen Chem | China national standards | MT | 802.48 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 886.95 | USD | 20250829 |
| Shandong Jinwen Chem | China national standards | MT | 851.75 | USD | 20250829 |
| Shandong Jinwen Chem | China national standards | MT | 851.75 | USD | 20250829 |
| Shandong Laya Chem | China national standards | MT | 745.82 | USD | 20250828 |
| Shandong Laya Chem | China national standards | MT | 745.82 | USD | 20250828 |