| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Kaijie Water | China national standards | MT | 683.47 | USD | 20260105 |
| Henan Kaijie Water | China national standards | MT | 682.23 | USD | 20251226 |
| Henan Huiyihai | 300 VOCs | MT | 212.21 | USD | 20251211 |
| Henan Shunzhibang | China national standards | MT | 778.09 | USD | 20251211 |
| Guang Longyu Chem | Industrial Grade | MT | 353.68 | USD | 20251211 |
| Henan Qingmai Tech | China national standards | MT | 792.24 | USD | 20251211 |
| Henan Huiyi | China national standards | MT | 212.21 | USD | 20251211 |
| Henan Huiyihai | China national standards | MT | 212.21 | USD | 20251211 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 636.62 | USD | 20251211 |
| Henan Sendi EnvTech | China national standards | MT | 353.68 | USD | 20251211 |