| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chem | 600 VOCs | MT | 352.78 | USD | 20251113 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 635.3 | USD | 20251112 |
| Henan Huiyi | China national standards | MT | 211.77 | USD | 20251112 |
| Henan Kaijie Water | China national standards | MT | 1058.83 | USD | 20251112 |
| Henan Huiyihai | 300 VOCs | MT | 324.71 | USD | 20251112 |
| Hebei Junshen Tech | 600 VOCs | MT | 310.59 | USD | 20251112 |
| Henan Huiyihai | China national standards | MT | 211.77 | USD | 20251112 |
| Henan Qingmai Tech | China national standards | MT | 790.59 | USD | 20251112 |
| Henan Qingmai Tech | 800 VOCs | MT | 1058.83 | USD | 20251112 |
| Henan Huiyihai | 300 VOCs | MT | 211.77 | USD | 20251112 |