| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chem | 600 VOCs | MT | 353.21 | USD | 20251127 |
| Henan Huiyihai | 300 VOCs | MT | 211.93 | USD | 20251127 |
| Henan Huiyi | China national standards | MT | 211.93 | USD | 20251127 |
| Henan Sendi EnvTech | China national standards | MT | 353.21 | USD | 20251127 |
| Henan Qingmai Tech | China national standards | MT | 791.2 | USD | 20251127 |
| Shandong Jinwen Chem | China national standards | MT | 508.63 | USD | 20251127 |
| Hebei Junshen Tech | 700 VOCs | MT | 324.96 | USD | 20251127 |
| Henan Sendi EnvTech | China national standards | MT | 353.21 | USD | 20251127 |
| Henan Kaijie Water | 1000 VOCs | MT | 1243.31 | USD | 20251127 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 635.78 | USD | 20251127 |