| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1476.67 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 1476.67 | USD | 20250922 |
| Shandong Laya Chem | China national standards | MT | 1448.54 | USD | 20250922 |
| Shandong Zhiheng | China national standards | MT | 1546.99 | USD | 20250922 |
| Shandong Laya Chem | China national standards | MT | 1448.09 | USD | 20250920 |
| Shandong Longhui Chem | China national standards | MT | 1940.16 | USD | 20250920 |
| Shandong Longhui Chem | China national standards | MT | 1630.86 | USD | 20250920 |
| Shandong Xima | China national standards | MT | 1462.15 | USD | 20250920 |
| Shandong Xima | China national standards | MT | 1462.15 | USD | 20250920 |
| Shandong Qiangsen Chem | China national standards | MT | 1476.21 | USD | 20250920 |