| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 1208.68 | USD | 20250926 |
| Jinan Xinhou | N330 | MT | 252.98 | USD | 20250926 |
| Jinan Xinhou | N660 | MT | 1208.68 | USD | 20250926 |
| Jinan Jinquanjin | 600 mesh | MT | 238.93 | USD | 20250926 |
| Jinan Jinquanjin | N220 | MT | 252.98 | USD | 20250926 |
| Jinan Xinhou | N220 | MT | 1349.22 | USD | 20250926 |
| Jinan Jinquanjin | China national standards | MT | 1897.35 | USD | 20250926 |
| Shanxi Hengxin Chem | N220 | MT | 1210.3 | USD | 20250925 |
| Jinan Xinhou | N330 | MT | 253.32 | USD | 20250925 |
| Jinan Xinhou | N660 | MT | 1210.3 | USD | 20250925 |