| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 309.49 | USD | 20250918 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 604.91 | USD | 20250918 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 422.03 | USD | 20250918 |