| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 604.34 | USD | 20250926 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 421.63 | USD | 20250926 |
| Henan Leavit Chemical Technology Co., Ltd. | 600 VOCs | MT | 351.36 | USD | 20250926 |
| Henan Leavit Chemical Technology Co., Ltd. | 600 VOCs | MT | 351.36 | USD | 20250926 |
| Henan Leavit Chemical Technology Co., Ltd. | 400 VOCs | MT | 505.96 | USD | 20250926 |
| Henan Leavit Chemical Technology Co., Ltd. | 400 VOCs | MT | 505.96 | USD | 20250926 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 505.96 | USD | 20250926 |
| Henan Leavit Chemical Technology Co., Ltd. | 700 VOCs | MT | 534.07 | USD | 20250926 |
| Henan Leavit Chemical Technology Co., Ltd. | 400 VOCs | MT | 506.64 | USD | 20250925 |
| Henan Leavit Chemical Technology Co., Ltd. | 600 VOCs | MT | 351.83 | USD | 20250925 |