| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 855.09 | USD | 20251210 |
| Jinan Angxin Chem | China national standards | MT | 751.91 | USD | 20251210 |
| Jinan Angxin Chem | China national standards | MT | 751.91 | USD | 20251210 |
| Hunan Qilu Tech | China national standards | MT | 848.02 | USD | 20251210 |
| JIN Yimeng | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 734.95 | USD | 20251210 |
| Yankuang Guotai Chem | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 734.95 | USD | 20251210 |