| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chemical Technology Co., Ltd. | 400 VOCs | MT | 508.55 | USD | 20251128 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 211.9 | USD | 20251128 |
| Henan Leavit Chemical Technology Co., Ltd. | 700 VOCs | MT | 536.81 | USD | 20251128 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 353.16 | USD | 20251128 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | 1000 VOCs | MT | 635.69 | USD | 20251128 |
| Henan Kaijie Water Treatment Co., Ltd. | 1000 VOCs | MT | 1243.31 | USD | 20251127 |
| Henan Qingmai Environmental Protection Technology Co., Ltd. | China national standards | MT | 791.2 | USD | 20251127 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 211.93 | USD | 20251127 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 508.63 | USD | 20251127 |
| Henan Leavit Chemical Technology Co., Ltd. | 600 VOCs | MT | 353.21 | USD | 20251127 |