| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai | China national standards | MT | 212.02 | USD | 20251207 |
| Henan Kaijie Water | 1000 VOCs | MT | 1243.83 | USD | 20251207 |
| Henan Huiyihai | 300 VOCs | MT | 212.02 | USD | 20251207 |
| Henan Shunzhibang | China national standards | MT | 777.4 | USD | 20251207 |
| Henan Kaijie Water | China national standards | MT | 1060.09 | USD | 20251207 |
| Henan Leavit Chem | 500 VOCs | MT | 508.84 | USD | 20251207 |
| Henan Leavit Chem | 700 VOCs | MT | 537.11 | USD | 20251207 |
| Henan Leavit Chem | 400 VOCs | MT | 508.84 | USD | 20251207 |
| Henan Leavit Chem | 600 VOCs | MT | 353.36 | USD | 20251207 |
| Henan Sendi EnvTech | China national standards | MT | 353.36 | USD | 20251206 |