| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 990.3 | USD | 20251211 |
| Aite Zhejiang | China national standards | MT | 1075.18 | USD | 20251211 |
| Jinan Angxin Chem | China national standards | MT | 976.15 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 1046.88 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 1004.44 | USD | 20251211 |
| Aite Zhejiang | China national standards | MT | 1032.74 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1287.38 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1082.25 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1103.47 | USD | 20251211 |