| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai | 300 VOCs | MT | 211.99 | USD | 20251201 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 635.96 | USD | 20251201 |
| Henan Shunzhibang | China national standards | MT | 777.29 | USD | 20251201 |
| Henan Sendi EnvTech | China national standards | MT | 353.31 | USD | 20251201 |
| Henan Qingmai Tech | 800 VOCs | MT | 1059.94 | USD | 20251201 |
| Henan Leavit Chem | 500 VOCs | MT | 508.77 | USD | 20251201 |
| Henan Kaijie Water | 1000 VOCs | MT | 1243.66 | USD | 20251201 |
| Henan Huiyi | China national standards | MT | 211.99 | USD | 20251201 |
| Hebei Junshen Tech | 600 VOCs | MT | 310.91 | USD | 20251201 |
| Hebei Junshen Tech | 800 VOCs | MT | 423.97 | USD | 20251201 |