| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1298.96 | USD | 20251125 |
| Beijing Yanshan Petro | China national standards | MT | 1157.77 | USD | 20251125 |
| Lihuayi Shandong | China national standards | MT | 889.5 | USD | 20251125 |
| Shandong Junfeng | China national standards | MT | 988.34 | USD | 20251125 |
| Shandong Yuhuang Chem | China national standards | MT | 896.56 | USD | 20251125 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1327.2 | USD | 20251125 |
| Shandong Jinwen Chem | China national standards | MT | 1200.12 | USD | 20251125 |
| Lihuayi Shandong | China national standards | MT | 1327.2 | USD | 20251125 |
| Aite Zhejiang | China national standards | MT | 1313.08 | USD | 20251125 |
| Sinopec | China national standards | MT | 1129.53 | USD | 20251125 |