| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1102.33 | USD | 20251201 |
| Shandong Jinshenrun Chem | China national standards | MT | 904.48 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1257.79 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 869.15 | USD | 20251201 |
| Shandong Jinwen Chem | China national standards | MT | 1045.8 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 869.15 | USD | 20251201 |
| Shandong Yihe Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Hubei 789 Chem | China national standards | MT | 1271.92 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 869.15 | USD | 20251201 |
| Wuhan Hengjiu Chem | China national standards | MT | 1130.6 | USD | 20251201 |