| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 987.57 | USD | 20251027 |
| Sinopec | China national standards | MT | 1128.65 | USD | 20251027 |
| Shandong Aite Chem | China national standards | MT | 1199.19 | USD | 20251027 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.49 | USD | 20251027 |
| Sinopec | China national standards | MT | 1227.41 | USD | 20251027 |
| Shandong Laya Chem | China national standards | MT | 973.46 | USD | 20251027 |
| Shandong Jinwen Chem | China national standards | MT | 1199.19 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1333.22 | USD | 20251027 |
| Shandong Zhiheng | China national standards | MT | 1170.98 | USD | 20251027 |
| Sinopec | China national standards | MT | 1213.3 | USD | 20251027 |