| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 201.55 | USD | 20251018 |
| Henan Sendi EnvTech | China national standards | MT | 201.55 | USD | 20251018 |
| Henan Sendi EnvTech | China national standards | MT | 201.55 | USD | 20251018 |
| Henan Sendi EnvTech | China national standards | MT | 194.51 | USD | 20251018 |
| Henan LanenChem | China national standards | MT | 177.59 | USD | 20251018 |
| Henan LanenChem | China national standards | MT | 236.79 | USD | 20251018 |
| Shandong Haihua | China national standards | MT | 211.42 | USD | 20251018 |
| Shandong Jinshenrun Chem | China national standards | MT | 183.23 | USD | 20251018 |
| Sichuan Hebang Bio | China national standards | MT | 232.56 | USD | 20251018 |
| Henan Huiyihai | China national standards | MT | 176.18 | USD | 20251018 |