| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250930 | |
| CNPC | China national standards | MT | USD | 20250930 | |
| Shandong Langchem | China national standards | MT | USD | 20250930 | |
| Shandong Changyi Petro | China national standards | MT | USD | 20250930 | |
| CNPC | China national standards | MT | USD | 20250930 | |
| Shandong Chambroad | China national standards | MT | USD | 20250930 | |
| Shandong Mingyu | China national standards | MT | USD | 20250930 | |
| Derun Chem | China national standards | MT | USD | 20250930 | |
| Huaibei Beike | China national standards | MT | USD | 20250929 | |
| Anyang Yutian | China national standards | MT | USD | 20250929 |
