| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 197.85 | USD | 20251201 |
| Henan Sendi EnvTech | China national standards | MT | 202.09 | USD | 20251201 |
| Henan Sendi EnvTech | China national standards | MT | 195.03 | USD | 20251201 |
| Henan Sendi EnvTech | China national standards | MT | 202.09 | USD | 20251201 |
| Henan Sendi EnvTech | China national standards | MT | 202.01 | USD | 20251129 |
| Henan Sendi EnvTech | China national standards | MT | 202.01 | USD | 20251129 |
| Henan Sendi EnvTech | China national standards | MT | 194.95 | USD | 20251129 |
| Henan Sendi EnvTech | China national standards | MT | 197.77 | USD | 20251129 |
| Henan Sendi EnvTech | China national standards | MT | 194.95 | USD | 20251129 |
| Henan Sendi EnvTech | China national standards | MT | 202.01 | USD | 20251129 |