| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250915 | |
| CNPC | China national standards | MT | USD | 20250915 | |
| CNPC | China national standards | MT | USD | 20250915 | |
| Dalian Fujia | China national standards | MT | USD | 20250915 | |
| CNPC | China national standards | MT | USD | 20250915 | |
| Sinopec | China national standards | MT | USD | 20250915 | |
| Shandong Langchem | China national standards | MT | USD | 20250915 | |
| Shandong Huize Chem | China national standards | MT | USD | 20250915 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250915 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250914 |
