| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.67 | USD | 20251030 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 211.67 | USD | 20251030 |
| Henan Qingmai Environmental Protection Technology Co., Ltd. | 800 VOCs | MT | 1058.37 | USD | 20251030 |
| Henan Qingmai Environmental Protection Technology Co., Ltd. | China national standards | MT | 790.25 | USD | 20251030 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.79 | USD | 20251030 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | 300 VOCs | MT | 324.57 | USD | 20251030 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | 300 VOCs | MT | 211.67 | USD | 20251030 |
| Henan Leavit Chemical Technology Co., Ltd. | 700 VOCs | MT | 536.24 | USD | 20251030 |
| Henan Leavit Chemical Technology Co., Ltd. | 600 VOCs | MT | 352.79 | USD | 20251030 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 508.02 | USD | 20251030 |