| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 1086.42 | USD | 20251121 |
| Shandong Yaoming Chem | China national standards | MT | 818.34 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 825.4 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 825.4 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 825.4 | USD | 20251121 |
| Shandong Laya Chem | China national standards | MT | 1001.76 | USD | 20251121 |
| Shandong Fusheng | China national standards | MT | 818.34 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1100.53 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1255.73 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1283.95 | USD | 20251121 |