| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 194.22 | USD | 20251007 |
| Henan Sendi EnvTech | China national standards | MT | 194.22 | USD | 20251007 |
| Henan Sendi EnvTech | China national standards | MT | 201.25 | USD | 20251007 |
| Henan Sendi EnvTech | China national standards | MT | 201.25 | USD | 20251007 |
| Henan Sendi EnvTech | China national standards | MT | 201.25 | USD | 20251007 |
| Henan Sendi EnvTech | China national standards | MT | 194.22 | USD | 20251007 |
| Henan Sendi EnvTech | China national standards | MT | 197.03 | USD | 20251007 |
| Henan LanenChem | China national standards | MT | 236.44 | USD | 20251007 |
| Henan LanenChem | China national standards | MT | 177.33 | USD | 20251007 |
| Shandong Haihua | China national standards | MT | 211.1 | USD | 20251007 |