| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 423.3 | USD | 20251119 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 507.96 | USD | 20251119 |
| Henan Leavit Chemical Technology Co., Ltd. | 700 VOCs | MT | 536.18 | USD | 20251119 |
| Henan Qingmai Environmental Protection Technology Co., Ltd. | China national standards | MT | 790.16 | USD | 20251119 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | 300 VOCs | MT | 211.65 | USD | 20251119 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 352.75 | USD | 20251119 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.53 | USD | 20251119 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.75 | USD | 20251119 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.65 | USD | 20251119 |
| Henan Leavit Chemical Technology Co., Ltd. | 400 VOCs | MT | 507.96 | USD | 20251119 |