| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Kaijie Water | 1000 VOCs | MT | 1238.44 | USD | 20250924 |
| Henan Kaijie Water | China national standards | MT | 1055.49 | USD | 20250924 |
| Henan Kaijie Water | China national standards | MT | 1055.49 | USD | 20250923 |
| Henan Kaijie Water | 1000 VOCs | MT | 1238.44 | USD | 20250923 |
| Henan Kaijie Water | 1000 VOCs | MT | 1237.59 | USD | 20250922 |
| Henan Kaijie Water | China national standards | MT | 1054.76 | USD | 20250922 |
| Henan Kaijie Water | China national standards | MT | 1054.44 | USD | 20250921 |
| Henan Kaijie Water | 1000 VOCs | MT | 1237.21 | USD | 20250921 |
| Henan Kaijie Water | 1000 VOCs | MT | 1237.21 | USD | 20250920 |
| Henan Kaijie Water | China national standards | MT | 1054.44 | USD | 20250920 |