| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Sanan Chem | China national standards | MT | 224.95 | USD | 20250921 |
| Henan Leavit Chem | China national standards | MT | 189.8 | USD | 20250920 |
| Zhangzhou Sanan Chem | China national standards | MT | 224.95 | USD | 20250920 |
| Henan Junma Chem | China national standards | MT | 189.8 | USD | 20250920 |
| Pingxiang Lixin BioTech | China national standards | MT | 182.77 | USD | 20250920 |
| Pingxiang Lixin BioTech | China national standards | MT | 184.18 | USD | 20250920 |
| Pingxiang Lixin BioTech | China national standards | MT | 203.86 | USD | 20250920 |
| Henan Sendi EnvTech | China national standards | MT | 194.02 | USD | 20250920 |
| Henan Sendi EnvTech | China national standards | MT | 201.05 | USD | 20250920 |
| Henan Shunzhibang | China national standards | MT | 239.01 | USD | 20250920 |