| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Henan Baoxin Tech | China national standards | MT | USD | 20251202 | |
| Henan Sendi EnvTech | China national standards | MT | USD | 20251202 | |
| Henan Qingmai Tech | China national standards | MT | USD | 20251202 | |
| Henan Huiyihai | China national standards | MT | USD | 20251202 | |
| Henan Shunzhibang | China national standards | MT | USD | 20251202 | |
| Henan Leavit Chem | 700 VOCs | MT | USD | 20251202 | |
| Henan Baoxin Tech | China national standards | MT | USD | 20251201 | |
| Shandong Jinwen Chem | China national standards | MT | USD | 20251201 | |
| Henan Sendi EnvTech | 1000 VOCs | MT | USD | 20251201 | |
| Henan Qingmai Tech | 800 VOCs | MT | USD | 20251201 |
