| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Sinopec | China national standards | MT | USD | 20250820 | |
| CNPC | China national standards | MT | USD | 20250820 | |
| Harbin BLUE STAR | China national standards | MT | USD | 20250820 | |
| HLJ Longjiang Chem | China national standards | MT | USD | 20250820 | |
| Shandong Langchem | China national standards | MT | USD | 20250820 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250820 | |
| Shandong Xima | China national standards | MT | USD | 20250820 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20250820 | |
| Shandong Junfeng | China national standards | MT | USD | 20250820 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250820 |
