| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 201.25 | USD | 20251005 |
| Henan Sendi EnvTech | China national standards | MT | 201.25 | USD | 20251005 |
| Henan Sendi EnvTech | China national standards | MT | 201.25 | USD | 20251005 |
| Henan Sendi EnvTech | China national standards | MT | 194.22 | USD | 20251005 |
| Henan LanenChem | China national standards | MT | 177.33 | USD | 20251005 |
| Henan LanenChem | China national standards | MT | 236.44 | USD | 20251005 |
| Pingxiang Lixin BioTech | China national standards | MT | 197.03 | USD | 20251005 |
| Hubei Shuanghuan Tech | China national standards | MT | 197.03 | USD | 20251005 |
| Pingxiang Lixin BioTech | China national standards | MT | 189.99 | USD | 20251005 |
| Pingxiang Lixin BioTech | China national standards | MT | 182.96 | USD | 20251005 |