| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 870.04 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 870.04 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 792.24 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 735.65 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 728.57 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 728.57 | USD | 20251211 |
| JIN Yimeng | China national standards | MT | 721.5 | USD | 20251211 |
| Jinan Angxin Chem | China national standards | MT | 752.62 | USD | 20251211 |
| Jinan Angxin Chem | China national standards | MT | 752.62 | USD | 20251211 |
| Hubei 789 Chem | China national standards | MT | 771.02 | USD | 20251211 |