| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Lianhai Bio | China national standards | MT | 748.65 | USD | 20251202 |
| Yankuang Guotai Chem | China national standards | MT | 768.43 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 868.72 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 854.59 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 776.9 | USD | 20251202 |
| Nanjing Baitu Chem | China national standards | MT | 762.78 | USD | 20251202 |
| Yankuang Guotai Chem | China national standards | MT | 833.4 | USD | 20251202 |
| Shandong Jinwen Chem | China national standards | MT | 791.03 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 791.03 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 762.78 | USD | 20251202 |