| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 309.77 | USD | 20251014 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 323.85 | USD | 20251014 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 605.45 | USD | 20251014 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 309.65 | USD | 20251010 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 605.22 | USD | 20251010 |
| Hebei Junshen Environmental Technology Co., Ltd. | 800 VOCs | MT | 422.25 | USD | 20251010 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 323.72 | USD | 20251010 |
| Hebei Junshen Environmental Technology Co., Ltd. | 700 VOCs | MT | 323.48 | USD | 20251009 |
| Hebei Junshen Environmental Technology Co., Ltd. | 600 VOCs | MT | 309.41 | USD | 20251009 |
| Hebei Junshen Environmental Technology Co., Ltd. | 900 VOCs | MT | 604.76 | USD | 20251009 |