| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1006.84 | USD | 20250729 |
| Qingdao Shengze Chem | China national standards | MT | 811.56 | USD | 20250728 |
| Shandong Mengkanda Chem | China national standards | MT | 839.55 | USD | 20250728 |
| Shandong Langchem | China national standards | MT | 965.48 | USD | 20250728 |
| Shandong Langchem | China national standards | MT | 1056.43 | USD | 20250728 |
| Sinopec | China national standards | MT | 1084.42 | USD | 20250728 |
| Sinopec | China national standards | MT | 1091.41 | USD | 20250728 |
| Sinopec | China national standards | MT | 1091.41 | USD | 20250728 |
| Aite Zhejiang | China national standards | MT | 1007.46 | USD | 20250728 |
| Huizhou Jincheng Petro | China national standards | MT | 1091.41 | USD | 20250728 |