| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 607.52 | USD | 20251127 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 423.85 | USD | 20251127 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.83 | USD | 20251127 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.96 | USD | 20251127 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.88 | USD | 20251126 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 423.75 | USD | 20251126 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 607.38 | USD | 20251126 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.75 | USD | 20251126 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.53 | USD | 20251124 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 606.94 | USD | 20251124 |