| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.6 | USD | 20251110 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 606.86 | USD | 20251110 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 423.39 | USD | 20251110 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 423.51 | USD | 20251107 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 607.04 | USD | 20251107 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.58 | USD | 20251107 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.69 | USD | 20251107 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.56 | USD | 20251106 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 423.34 | USD | 20251106 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 606.79 | USD | 20251106 |