| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250820 | |
| Dalian Fujia | China national standards | MT | USD | 20250820 | |
| CNPC | China national standards | MT | USD | 20250820 | |
| Sinopec | China national standards | MT | USD | 20250820 | |
| Shandong Langchem | China national standards | MT | USD | 20250820 | |
| Aite Zhejiang | China national standards | MT | USD | 20250820 | |
| Huizhou Jincheng Petro | China national standards | MT | USD | 20250820 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20250820 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250820 | |
| Shandong Mengkanda Chem | China national standards | MT | USD | 20250820 |
