| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1011.41 | USD | 20250826 |
| Sinopec | China national standards | MT | 1095.69 | USD | 20250826 |
| Sinopec | China national standards | MT | 1095.69 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 843.16 | USD | 20250825 |
| Qingdao Shengze Chem | China national standards | MT | 843.16 | USD | 20250825 |
| Shandong Xingpeng Chem | China national standards | MT | 843.16 | USD | 20250825 |
| Shandong Mengkanda Chem | China national standards | MT | 801.0 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 969.63 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1060.97 | USD | 20250825 |
| Sinopec | China national standards | MT | 1089.08 | USD | 20250825 |