| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Qingmai Tech | 800 VOCs | MT | 1057.75 | USD | 20251120 |
| Shanghai Yongkun | 1000 VOCs | MT | 1212.89 | USD | 20251120 |
| Henan Huiyihai | China national standards | MT | 211.55 | USD | 20251120 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 634.65 | USD | 20251120 |
| Henan Sendi EnvTech | China national standards | MT | 352.58 | USD | 20251120 |
| Henan Shunzhibang | China national standards | MT | 775.69 | USD | 20251120 |
| Henan Huiyihai | 300 VOCs | MT | 211.55 | USD | 20251120 |
| Shanghai Yongkun | 1000 VOCs | MT | 1198.79 | USD | 20251120 |
| Henan Kaijie Water | 1000 VOCs | MT | 1241.1 | USD | 20251120 |
| Henan Sendi EnvTech | China national standards | MT | 352.58 | USD | 20251120 |