| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Junshen Tech | 700 VOCs | MT | 324.47 | USD | 20251104 |
| Hebei Junshen Tech | 700 VOCs | MT | 324.55 | USD | 20251103 |
| Hebei Junshen Tech | 800 VOCs | MT | 423.33 | USD | 20251103 |
| Hebei Junshen Tech | 900 VOCs | MT | 606.77 | USD | 20251103 |
| Hebei Junshen Tech | 600 VOCs | MT | 310.44 | USD | 20251103 |
| Hebei Junshen Tech | 900 VOCs | MT | 606.66 | USD | 20251031 |
| Hebei Junshen Tech | 800 VOCs | MT | 423.25 | USD | 20251031 |
| Hebei Junshen Tech | 600 VOCs | MT | 310.38 | USD | 20251031 |
| Hebei Junshen Tech | 700 VOCs | MT | 324.49 | USD | 20251031 |
| Hebei Junshen Tech | 900 VOCs | MT | 606.8 | USD | 20251030 |