| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 331.66 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 345.77 | USD | 20251110 |
| Shanghai Guoke | China national standards | MT | 458.68 | USD | 20251110 |
| Nanjing Runsheng Petro | China national standards | MT | 338.72 | USD | 20251110 |
| Nanjing Runsheng Petro | China national standards | MT | 296.38 | USD | 20251110 |
| Shandong Yihe Chem | China national standards | MT | 238.51 | USD | 20251110 |
| Luxi Chem | China national standards | MT | 254.04 | USD | 20251110 |
| Shandong Zhenkun | China national standards | MT | 303.43 | USD | 20251110 |
| Luxi Chem | China national standards | MT | 303.43 | USD | 20251110 |
| Luxi Chem | China national standards | MT | 352.83 | USD | 20251110 |