| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Qingmai Environmental Protection Technology Co., Ltd. | 800 VOCs | MT | 1060.01 | USD | 20251203 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 508.81 | USD | 20251203 |
| Henan Qingmai Environmental Protection Technology Co., Ltd. | China national standards | MT | 791.47 | USD | 20251203 |
| Henan Leavit Chemical Technology Co., Ltd. | 700 VOCs | MT | 537.07 | USD | 20251203 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | 300 VOCs | MT | 325.07 | USD | 20251203 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 353.34 | USD | 20251203 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 212.0 | USD | 20251203 |
| Henan Leavit Chemical Technology Co., Ltd. | 400 VOCs | MT | 508.81 | USD | 20251203 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 353.34 | USD | 20251203 |
| Henan Kaijie Water Treatment Co., Ltd. | 1000 VOCs | MT | 1243.75 | USD | 20251203 |