| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1477.87 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 1759.37 | USD | 20251010 |
| Shandong Zhiheng | China national standards | MT | 1548.25 | USD | 20251010 |
| Jinan Lianxing | China national standards | MT | 1687.72 | USD | 20251009 |
| Shandong Xima | China national standards | MT | 1462.69 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 1476.75 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 1476.75 | USD | 20251009 |
| Shandong Laya Chem | China national standards | MT | 1448.62 | USD | 20251009 |
| Chengdu Rongjiaxin Chem | Industrial Grade | MT | 2531.57 | USD | 20251009 |
| Shandong Zhiheng | China national standards | MT | 1547.07 | USD | 20251009 |