| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 353.03 | USD | 20251117 |
| Henan Sendi EnvTech | China national standards | MT | 353.03 | USD | 20251117 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 635.45 | USD | 20251117 |
| Henan Sendi EnvTech | China national standards | MT | 352.98 | USD | 20251114 |
| Henan Sendi EnvTech | China national standards | MT | 352.98 | USD | 20251114 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 635.37 | USD | 20251114 |
| Henan Sendi EnvTech | China national standards | MT | 352.78 | USD | 20251113 |
| Henan Sendi EnvTech | China national standards | MT | 352.94 | USD | 20251112 |
| Henan Sendi EnvTech | China national standards | MT | 352.94 | USD | 20251112 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 635.3 | USD | 20251112 |