| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1312.89 | USD | 20251107 |
| Qingdao Shengze Chem | China national standards | MT | 825.85 | USD | 20251107 |
| Qingdao Shengze Chem | China national standards | MT | 825.85 | USD | 20251107 |
| Qingdao Shengze Chem | China national standards | MT | 825.85 | USD | 20251107 |
| Qingdao Shengze Chem | China national standards | MT | 825.85 | USD | 20251107 |
| Shandong Shuojia Chem | China national standards | MT | 889.38 | USD | 20251107 |
| Shandong Shuojia Chem | China national standards | MT | 889.38 | USD | 20251107 |
| Shandong Shuojia Chem | China national standards | MT | 889.38 | USD | 20251107 |
| Qingdao Shengze Chem | China national standards | MT | 825.51 | USD | 20251106 |
| Qingdao Shengze Chem | China national standards | MT | 825.51 | USD | 20251106 |