| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 522.28 | USD | 20251029 |
| Jinan Qi Mat | China national standards | MT | 522.19 | USD | 20251028 |
| Jinan Qi Mat | China national standards | MT | 522.0 | USD | 20251027 |
| Jinan Qi Mat | China national standards | MT | 521.66 | USD | 20251026 |
| Jinan Qi Mat | China national standards | MT | 521.66 | USD | 20251025 |
| Jinan Qi Mat | China national standards | MT | 521.66 | USD | 20251024 |
| Jinan Qi Mat | China national standards | MT | 521.73 | USD | 20251023 |
| Jinan Qi Mat | China national standards | MT | 521.46 | USD | 20251022 |
| Jinan Qi Mat | China national standards | MT | 521.64 | USD | 20251021 |