| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chemical Technology Co., Ltd. | 600 VOCs | MT | 353.24 | USD | 20251209 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 211.95 | USD | 20251209 |
| Henan Qingmai Environmental Protection Technology Co., Ltd. | 800 VOCs | MT | 1059.73 | USD | 20251209 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | 300 VOCs | MT | 324.98 | USD | 20251209 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 353.29 | USD | 20251208 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 508.73 | USD | 20251208 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.89 | USD | 20251208 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 607.65 | USD | 20251208 |
| Henan Leavit Chemical Technology Co., Ltd. | 600 VOCs | MT | 353.29 | USD | 20251208 |
| Henan Qingmai Environmental Protection Technology Co., Ltd. | 800 VOCs | MT | 1059.86 | USD | 20251208 |