| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinquanjin | 600 mesh | MT | 239.08 | USD | 20250922 |
| Jinan Jinquanjin | China national standards | MT | 1898.57 | USD | 20250922 |
| Jinan Jinquanjin | China national standards | MT | 1898.57 | USD | 20250922 |
| Jinan Jinquanjin | China national standards | MT | 1897.99 | USD | 20250920 |
| Jinan Jinquanjin | 600 mesh | MT | 239.01 | USD | 20250920 |
| Jinan Jinquanjin | N220 | MT | 253.06 | USD | 20250920 |
| Jinan Jinquanjin | China national standards | MT | 1899.13 | USD | 20250918 |
| Jinan Jinquanjin | N220 | MT | 253.22 | USD | 20250918 |
| Jinan Jinquanjin | 600 mesh | MT | 239.15 | USD | 20250918 |