| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 832.55 | USD | 20250728 |
| Sinopec | China national standards | MT | 1092.15 | USD | 20250726 |
| Sinopec | China national standards | MT | 1092.15 | USD | 20250726 |
| Sinopec | China national standards | MT | 1085.15 | USD | 20250726 |
| Shandong Langchem | China national standards | MT | 1057.14 | USD | 20250726 |
| Shandong Langchem | China national standards | MT | 966.13 | USD | 20250726 |
| Huizhou Jincheng Petro | China national standards | MT | 1092.15 | USD | 20250726 |
| Aite Zhejiang | China national standards | MT | 1008.14 | USD | 20250726 |
| Shandong Mengkanda Chem | China national standards | MT | 840.11 | USD | 20250725 |
| Sinopec | China national standards | MT | 1092.15 | USD | 20250725 |