| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 971.9 | USD | 20251015 |
| Shandong Jinwen Chem | China national standards | MT | 971.9 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1247.98 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1171.91 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 1070.5 | USD | 20251015 |
| Nanjing Runsheng Petro | China national standards | MT | 1042.33 | USD | 20251015 |
| Nanjing Runsheng Petro | China national standards | MT | 1042.33 | USD | 20251015 |
| Shandong Yuanhe Chem | China national standards | MT | 1140.51 | USD | 20251014 |
| Luxi Chem | China national standards | MT | 1140.51 | USD | 20251014 |
| Jinan Pulaihua Chem | China national standards | MT | 964.5 | USD | 20251014 |