| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Langchem | China national standards | MT | USD | 20251103 | |
| Shandong Yaoming Chem | China national standards | MT | USD | 20251103 | |
| CNPC | China national standards | MT | USD | 20251103 | |
| CNPC | China national standards | MT | USD | 20251103 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251103 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251103 | |
| Shandong Aite Chem | China national standards | MT | USD | 20251103 | |
| Shandong Mingyu | China national standards | MT | USD | 20251103 | |
| Shandong Chambroad | China national standards | MT | USD | 20251103 | |
| CNPC | China national standards | MT | USD | 20251103 |
