| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 201.42 | USD | 20251015 |
| Henan Sendi EnvTech | China national standards | MT | 201.42 | USD | 20251015 |
| Henan Sendi EnvTech | China national standards | MT | 197.2 | USD | 20251015 |
| Henan Sendi EnvTech | China national standards | MT | 194.38 | USD | 20251015 |
| Henan LanenChem | China national standards | MT | 236.64 | USD | 20251015 |
| Henan LanenChem | China national standards | MT | 177.48 | USD | 20251015 |
| Sichuan Hebang Bio | China national standards | MT | 232.41 | USD | 20251015 |
| Jiangxi Xinmao Chem | China national standards | MT | 190.15 | USD | 20251015 |
| Anhui Haozhan Tech | China national standards | MT | 211.28 | USD | 20251015 |
| Hubei Shuanghuan Tech | China national standards | MT | 197.2 | USD | 20251015 |