| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250922 | |
| Harbin BLUE STAR | China national standards | MT | USD | 20250922 | |
| HLJ Longjiang Chem | China national standards | MT | USD | 20250922 | |
| Shandong Zhiheng | China national standards | MT | USD | 20250922 | |
| Shandong Junfeng | China national standards | MT | USD | 20250922 | |
| Shandong Langchem | China national standards | MT | USD | 20250922 | |
| Shanghai Guoke | China national standards | MT | USD | 20250922 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250922 | |
| Shandong Xima | China national standards | MT | USD | 20250922 | |
| Shandong Jinshenrun Chem | China national standards | MT | USD | 20250922 |