| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 353.36 | USD | 20251206 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 636.05 | USD | 20251206 |
| Henan Sendi EnvTech | China national standards | MT | 353.36 | USD | 20251205 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 636.05 | USD | 20251205 |
| Henan Sendi EnvTech | China national standards | MT | 353.36 | USD | 20251205 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 636.2 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 353.44 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 353.44 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 353.34 | USD | 20251203 |
| Henan Sendi EnvTech | China national standards | MT | 353.34 | USD | 20251203 |