| Vendor | Spec | Unit | Price | Currency | Date |
| Dongguan Canyu Chem | N220 | MT | 1055.49 | USD | 20250925 |
| Shanxi Hengxin Chem | N220 | MT | 1013.27 | USD | 20250925 |
| Shanxi Hengxin Chem | N220 | MT | 1210.3 | USD | 20250925 |
| Jinan Xinhou | N660 | MT | 1210.3 | USD | 20250925 |
| Jinan Xinhou | N220 | MT | 1351.03 | USD | 20250925 |
| Jinan Xinhou | N330 | MT | 253.32 | USD | 20250925 |
| Jinan Xinhou | N660 | MT | 1210.3 | USD | 20250924 |
| Jinan Jinquanjin | N220 | MT | 253.32 | USD | 20250924 |
| Jinan Xinhou | N220 | MT | 1351.03 | USD | 20250924 |
| Jinan Jinquanjin | 600 mesh | MT | 239.24 | USD | 20250924 |