| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chemical Technology Co., Ltd. | 400 VOCs | MT | 507.54 | USD | 20251021 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 507.54 | USD | 20251021 |
| Henan Leavit Chemical Technology Co., Ltd. | 700 VOCs | MT | 535.74 | USD | 20251021 |
| Henan Kaijie Water Treatment Co., Ltd. | 1000 VOCs | MT | 1240.66 | USD | 20251021 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | 1000 VOCs | MT | 634.04 | USD | 20251020 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 352.25 | USD | 20251020 |
| Henan Kaijie Water Treatment Co., Ltd. | 1000 VOCs | MT | 1239.91 | USD | 20251020 |
| Henan Leavit Chemical Technology Co., Ltd. | 700 VOCs | MT | 535.41 | USD | 20251020 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 507.24 | USD | 20251020 |
| Henan Leavit Chemical Technology Co., Ltd. | 400 VOCs | MT | 507.24 | USD | 20251020 |