| Vendor | Spec | Unit | Price | Currency | Date |
| Shiyou Yangzhou Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Zhiheng | China national standards | MT | 907.47 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1129.05 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 907.47 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1114.94 | USD | 20251118 |
| Beijing Yanshan Petro | China national standards | MT | 987.92 | USD | 20251118 |