| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.45 | USD | 20251106 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 606.48 | USD | 20251105 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.4 | USD | 20251105 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.29 | USD | 20251105 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 423.13 | USD | 20251105 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 423.22 | USD | 20251104 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 606.62 | USD | 20251104 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.47 | USD | 20251104 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.36 | USD | 20251104 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.44 | USD | 20251103 |