| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1157.13 | USD | 20251113 |
| Changzhou Juyun Mat | China national standards | MT | 1340.58 | USD | 20251113 |
| Shandong Jinwen Chem | China national standards | MT | 1199.46 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 1192.41 | USD | 20251113 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.19 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1298.24 | USD | 20251113 |
| Aite Zhejiang | China national standards | MT | 1312.35 | USD | 20251113 |
| Sinopec | China national standards | MT | 1213.58 | USD | 20251113 |
| Beijing Yanshan Petro | China national standards | MT | 1220.63 | USD | 20251113 |
| Shandong Junfeng | China national standards | MT | 987.79 | USD | 20251113 |