| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | 1000 VOCs | MT | 634.26 | USD | 20251017 |
| Henan Sendi EnvTech | China national standards | MT | 352.37 | USD | 20251017 |
| Henan Sendi EnvTech | China national standards | MT | 352.37 | USD | 20251017 |
| Henan Sendi EnvTech | China national standards | MT | 352.27 | USD | 20251016 |
| Henan Sendi EnvTech | China national standards | MT | 352.27 | USD | 20251016 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 634.09 | USD | 20251016 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 633.85 | USD | 20251015 |
| Henan Sendi EnvTech | China national standards | MT | 352.14 | USD | 20251015 |
| Henan Sendi EnvTech | China national standards | MT | 352.14 | USD | 20251015 |
| Henan Sendi EnvTech | China national standards | MT | 352.01 | USD | 20251014 |