| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1287.38 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1082.25 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Xima | China national standards | MT | 990.3 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 1004.44 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 1046.88 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |