| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Shuanghuan Tech | China national standards | MT | 196.76 | USD | 20250928 |
| Pingxiang Lixin BioTech | China national standards | MT | 189.73 | USD | 20250928 |
| Henan Leavit Chem | China national standards | MT | 147.57 | USD | 20250928 |
| Henan Leavit Chem | China national standards | MT | 165.84 | USD | 20250928 |
| Henan Leavit Chem | China national standards | MT | 147.57 | USD | 20250928 |
| Henan Leavit Chem | China national standards | MT | 154.6 | USD | 20250928 |
| Shanghai Guoke | China national standards | MT | 260.01 | USD | 20250928 |
| Tangshan Sanyou | China national standards | MT | 182.71 | USD | 20250928 |
| Henan Leavit Chem | China national standards | MT | 189.73 | USD | 20250928 |
| Hubei Shuanghuan Tech | China national standards | MT | 196.76 | USD | 20250928 |