| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1122.2 | USD | 20251029 |
| Shandong Yihe Chem | China national standards | MT | 987.92 | USD | 20251028 |
| Shandong Yihe Chem | China national standards | MT | 1058.48 | USD | 20251028 |
| Shandong Qiangsen Chem | China national standards | MT | 987.92 | USD | 20251028 |
| Shandong Jinling Chem | China national standards | MT | 1241.96 | USD | 20251028 |
| Shandong Zhiheng | China national standards | MT | 1171.39 | USD | 20251028 |
| Shandong Zhiheng | China national standards | MT | 1129.05 | USD | 20251028 |
| Shandong Zhiheng | China national standards | MT | 1129.05 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1121.99 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1188.33 | USD | 20251028 |