| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 197.05 | USD | 20251011 |
| Henan Sendi EnvTech | China national standards | MT | 197.05 | USD | 20251010 |
| Henan Sendi EnvTech | China national standards | MT | 196.9 | USD | 20251009 |
| Henan Sendi EnvTech | China national standards | MT | 197.03 | USD | 20251007 |
| Henan Sendi EnvTech | China national standards | MT | 197.03 | USD | 20251007 |
| Henan Sendi EnvTech | China national standards | MT | 197.03 | USD | 20251005 |
| Henan Sendi EnvTech | China national standards | MT | 197.03 | USD | 20250930 |
| Henan Sendi EnvTech | China national standards | MT | 196.94 | USD | 20250929 |
| Henan Sendi EnvTech | China national standards | MT | 196.76 | USD | 20250928 |
| Henan Sendi EnvTech | China national standards | MT | 196.76 | USD | 20250928 |