| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1242.66 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1122.63 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 988.48 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1094.39 | USD | 20251117 |
| Shandong Zhiheng | China national standards | MT | 1129.69 | USD | 20251117 |
| Shandong Zhiheng | China national standards | MT | 1172.05 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1189.0 | USD | 20251117 |
| Shandong Jinwen Chem | China national standards | MT | 1214.41 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 988.48 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 1059.08 | USD | 20251117 |