| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Shuanghuan Tech | China national standards | MT | 212.02 | USD | 20251206 |
| Pingxiang Lixin BioTech | China national standards | MT | 169.61 | USD | 20251206 |
| Henan Sendi EnvTech | China national standards | MT | 202.12 | USD | 20251206 |
| Henan Leavit Chem | China national standards | MT | 159.72 | USD | 20251205 |
| Henan Leavit Chem | China national standards | MT | 148.41 | USD | 20251205 |
| Henan Leavit Chem | China national standards | MT | 159.72 | USD | 20251205 |
| Henan Leavit Chem | China national standards | MT | 445.24 | USD | 20251205 |
| Tangshan Sanyou | China national standards | MT | 183.75 | USD | 20251205 |
| Henan Leavit Chem | China national standards | MT | 173.85 | USD | 20251205 |
| Henan Leavit Chem | China national standards | MT | 155.48 | USD | 20251205 |