| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Juexin | China national standards | MT | 1342.7 | USD | 20251210 |
| Shanghai Juexin | China national standards | MT | 989.36 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Shandong Daoqin Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 798.33 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 953.75 | USD | 20251209 |
| Shandong Zhiheng | China national standards | MT | 1017.34 | USD | 20251209 |