| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 938.7 | USD | 20251029 |
| Shandong Langchem | Industrial Grade | MT | 910.46 | USD | 20251029 |
| Shandong Jinwen Chem | China national standards | MT | 846.94 | USD | 20251029 |
| Nanjing Runsheng Petro | Industrial Grade | MT | 875.17 | USD | 20251029 |
| Nanjing Runsheng Petro | China national standards | MT | 1552.73 | USD | 20251029 |
| Shandong Zhiheng | China national standards | MT | 1016.33 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 797.54 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 952.81 | USD | 20251029 |
| Shandong Fusheng | China national standards | MT | 846.94 | USD | 20251029 |
| Shandong Fusheng | Industrial Grade | MT | 903.41 | USD | 20251029 |