| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 309.61 | USD | 20250923 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 323.68 | USD | 20250923 |
| Henan Leavit Chemical Technology Co., Ltd. | 700 VOCs | MT | 534.78 | USD | 20250923 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 506.64 | USD | 20250923 |
| Henan Leavit Chemical Technology Co., Ltd. | 400 VOCs | MT | 506.64 | USD | 20250923 |
| Henan Leavit Chemical Technology Co., Ltd. | 600 VOCs | MT | 351.83 | USD | 20250923 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | 1000 VOCs | MT | 632.86 | USD | 20250922 |
| Henan Leavit Chemical Technology Co., Ltd. | 600 VOCs | MT | 351.59 | USD | 20250922 |
| Henan Leavit Chemical Technology Co., Ltd. | 400 VOCs | MT | 506.29 | USD | 20250922 |
| Henan Leavit Chemical Technology Co., Ltd. | 500 VOCs | MT | 506.29 | USD | 20250922 |