| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai | 300 VOCs | MT | 212.02 | USD | 20251206 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 636.05 | USD | 20251206 |
| Henan Huiyihai | China national standards | MT | 212.02 | USD | 20251206 |
| Henan Shunzhibang | China national standards | MT | 777.4 | USD | 20251206 |
| Henan Huiyihai | 300 VOCs | MT | 325.09 | USD | 20251206 |
| Henan Kaijie Water | 1000 VOCs | MT | 1243.83 | USD | 20251206 |
| Henan Huiyi | China national standards | MT | 212.02 | USD | 20251206 |
| Henan Sendi EnvTech | China national standards | MT | 353.36 | USD | 20251206 |
| Henan Kaijie Water | China national standards | MT | 1060.09 | USD | 20251206 |
| Changzhou Jiaye Chem | China national standards | MT | 918.74 | USD | 20251205 |