| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chemical Technology Co., Ltd. | 600 VOCs | MT | 353.16 | USD | 20251129 |
| Henan Leavit Chemical Technology Co., Ltd. | 400 VOCs | MT | 508.55 | USD | 20251129 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | 300 VOCs | MT | 324.91 | USD | 20251129 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | 1000 VOCs | MT | 635.69 | USD | 20251129 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 211.9 | USD | 20251129 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | 300 VOCs | MT | 211.9 | USD | 20251129 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 508.55 | USD | 20251129 |
| Henan Leavit Chemical Technology Co., Ltd. | 700 VOCs | MT | 536.81 | USD | 20251129 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.9 | USD | 20251129 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 353.16 | USD | 20251129 |