| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai | 300 VOCs | MT | 212.02 | USD | 20251205 |
| Henan Huiyihai | 300 VOCs | MT | 325.09 | USD | 20251205 |
| Henan Sendi EnvTech | China national standards | MT | 353.36 | USD | 20251205 |
| Henan Qingmai Tech | 800 VOCs | MT | 1060.33 | USD | 20251204 |
| Hebei Junshen Tech | 900 VOCs | MT | 607.92 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 353.44 | USD | 20251204 |
| Shandong Jinwen Chem | Purified Water | MT | 508.96 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 353.44 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 508.96 | USD | 20251204 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 636.2 | USD | 20251204 |