| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.18 | USD | 20251017 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 324.09 | USD | 20251016 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 310.0 | USD | 20251016 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 605.91 | USD | 20251016 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 422.73 | USD | 20251016 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 323.97 | USD | 20251015 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 309.88 | USD | 20251015 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 605.68 | USD | 20251015 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 422.56 | USD | 20251015 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 323.85 | USD | 20251014 |