| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 973.81 | USD | 20251110 |
| Shandong Jinwen Chem | China national standards | MT | 973.81 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1250.42 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1174.21 | USD | 20251110 |
| Suzhou Zixu Mat | China national standards | MT | 1524.22 | USD | 20251110 |
| Suzhou Zixu Mat | China national standards | MT | 1524.22 | USD | 20251110 |
| Nanjing Runsheng Petro | China national standards | MT | 1044.37 | USD | 20251110 |
| Nanjing Runsheng Petro | China national standards | MT | 1044.37 | USD | 20251110 |
| Luxi Chem | China national standards | MT | 917.35 | USD | 20251110 |
| Luxi Chem | China national standards | MT | 1002.03 | USD | 20251110 |