| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xinhou | N330 | MT | 253.32 | USD | 20250924 |
| Jinan Xinhou | N220 | MT | 1351.03 | USD | 20250924 |
| Jinan Jinquanjin | N220 | MT | 253.32 | USD | 20250924 |
| Jinan Jinquanjin | 600 mesh | MT | 239.24 | USD | 20250924 |
| Jinan Jinquanjin | China national standards | MT | 1899.88 | USD | 20250924 |
| Shanxi Hengxin Chem | N220 | MT | 1210.3 | USD | 20250923 |
| Shandong Junfeng | China national standards | MT | 1210.3 | USD | 20250923 |
| Shandong Junfeng | N220 | MT | 985.12 | USD | 20250923 |
| Jinan Xinhou | N220 | MT | 1351.03 | USD | 20250923 |
| Jinan Jinquanjin | 600 mesh | MT | 239.24 | USD | 20250923 |