| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1271.56 | USD | 20251127 |
| Shandong Jinwen Chem | China national standards | MT | 1215.05 | USD | 20251127 |
| Shandong Yihe Chem | China national standards | MT | 988.99 | USD | 20251127 |
| Hunan Qilu Tech | China national standards | MT | 1257.44 | USD | 20251127 |
| Shandong Zhiheng | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Zhiheng | China national standards | MT | 1172.66 | USD | 20251127 |
| Aite Zhejiang | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Zhiheng | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 1189.62 | USD | 20251127 |
| Befar | China national standards | MT | 1137.34 | USD | 20251127 |