| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 423.94 | USD | 20251208 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 607.65 | USD | 20251208 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 325.02 | USD | 20251208 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.89 | USD | 20251208 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.96 | USD | 20251205 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 424.03 | USD | 20251205 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 607.78 | USD | 20251205 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 325.09 | USD | 20251205 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 311.03 | USD | 20251204 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 607.92 | USD | 20251204 |