| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1199.13 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1297.88 | USD | 20251104 |
| Zibo Lishuo Chem | China national standards | MT | 987.51 | USD | 20251104 |
| Zibo Lishuo Chem | China national standards | MT | 987.51 | USD | 20251104 |
| Beijing Yanshan Petro | China national standards | MT | 1156.8 | USD | 20251104 |
| Sinopec | China national standards | MT | 987.51 | USD | 20251104 |
| Sinopec | China national standards | MT | 1248.5 | USD | 20251104 |
| Zhangjiagang Zhaohe Trade | China national standards | MT | 905.69 | USD | 20251104 |
| Zibo Lishuo Chem | China national standards | MT | 987.51 | USD | 20251104 |
| Shandong Hanyue Chem | China national standards | MT | 931.09 | USD | 20251104 |