| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 710.96 | USD | 20251205 |
| JIN Yimeng | China national standards | MT | 710.96 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 777.4 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 734.99 | USD | 20251205 |
| Jinan Angxin Chem | China national standards | MT | 749.13 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 749.13 | USD | 20251205 |
| Changzhou Qidi Chem | China national standards | MT | 819.8 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 869.27 | USD | 20251205 |
| JIN Yimeng | China national standards | MT | 720.86 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 749.13 | USD | 20251205 |