| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 790.78 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 854.33 | USD | 20251117 |
| Yankuang Guotai Chem | China national standards | MT | 706.06 | USD | 20251117 |
| Shandong Shuojia Chem | China national standards | MT | 734.3 | USD | 20251117 |
| Shandong Junfeng | China national standards | MT | 790.78 | USD | 20251117 |
| Shandong Shuojia Chem | China national standards | MT | 734.3 | USD | 20251117 |
| Shandong Shuojia Chem | China national standards | MT | 734.3 | USD | 20251117 |
| Shandong Yeyang Chem | China national standards | MT | 776.66 | USD | 20251117 |
| Shandong Yeyang Chem | China national standards | MT | 762.54 | USD | 20251117 |
| Nanjing Baitu Chem | China national standards | MT | 748.42 | USD | 20251117 |