| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Qingmai Tech | 800 VOCs | MT | 1055.02 | USD | 20250929 |
| Henan Shunzhibang | China national standards | MT | 773.68 | USD | 20250929 |
| Henan Baoxin Tech | China national standards | MT | 942.48 | USD | 20250929 |
| Henan Kaijie Water | China national standards | MT | 1055.02 | USD | 20250929 |
| Henan Kaijie Water | 1000 VOCs | MT | 1237.88 | USD | 20250929 |
| Hebei Junshen Tech | 800 VOCs | MT | 422.01 | USD | 20250929 |
| Hebei Junshen Tech | 900 VOCs | MT | 604.88 | USD | 20250929 |
| Hebei Junshen Tech | 600 VOCs | MT | 309.47 | USD | 20250929 |
| Hebei Junshen Tech | 700 VOCs | MT | 323.54 | USD | 20250929 |
| Shandong Jinwen Chem | Purified Water | MT | 506.41 | USD | 20250929 |