| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chemical Technology Co., Ltd. | 600 VOCs | MT | 352.98 | USD | 20251114 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 508.3 | USD | 20251114 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 508.01 | USD | 20251113 |
| Henan Leavit Chemical Technology Co., Ltd. | 400 VOCs | MT | 508.01 | USD | 20251113 |
| Henan Kaijie Water Treatment Co., Ltd. | 1000 VOCs | MT | 1241.8 | USD | 20251113 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 606.79 | USD | 20251113 |
| Henan Leavit Chemical Technology Co., Ltd. | 700 VOCs | MT | 536.23 | USD | 20251113 |
| Henan Leavit Chemical Technology Co., Ltd. | 600 VOCs | MT | 352.78 | USD | 20251113 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | 300 VOCs | MT | 211.67 | USD | 20251113 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.56 | USD | 20251113 |