| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250915 | |
| Harbin BLUE STAR | China national standards | MT | USD | 20250915 | |
| HLJ Longjiang Chem | China national standards | MT | USD | 20250915 | |
| Shandong Langchem | China national standards | MT | USD | 20250915 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250915 | |
| Shandong Xima | China national standards | MT | USD | 20250915 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20250915 | |
| Shandong Huize Chem | China national standards | MT | USD | 20250915 | |
| Shanghai Wanzhong | China national standards | MT | USD | 20250915 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250915 |
