| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.66 | USD | 20251117 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 607.21 | USD | 20251117 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.79 | USD | 20251117 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 423.63 | USD | 20251117 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 607.13 | USD | 20251114 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 423.58 | USD | 20251114 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.62 | USD | 20251114 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.74 | USD | 20251114 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.56 | USD | 20251113 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 423.34 | USD | 20251113 |