| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20251125 | |
| Derun Chem | China national standards | MT | USD | 20251125 | |
| Xingtai Risun | China national standards | MT | USD | 20251125 | |
| Sinopec | China national standards | MT | USD | 20251125 | |
| Shandong Jinwen Chem | China national standards | MT | USD | 20251125 | |
| Shandong Langchem | China national standards | MT | USD | 20251125 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251125 | |
| Shandong Chambroad | China national standards | MT | USD | 20251125 | |
| Shandong Changyi Petro | China national standards | MT | USD | 20251125 | |
| Shandong Mingyu | China national standards | MT | USD | 20251125 |
