| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | N220 | MT | 985.62 | USD | 20251014 |
| Shanxi Hengxin Chem | N220 | MT | 1210.91 | USD | 20251014 |
| Jinan Xinhou | N660 | MT | 1210.91 | USD | 20251014 |
| Jinan Xinhou | N220 | MT | 1351.71 | USD | 20251014 |
| Jinan Jinquanjin | N220 | MT | 253.45 | USD | 20251014 |
| Jinan Jinquanjin | China national standards | MT | 1900.85 | USD | 20251014 |
| Jinan Jinquanjin | 600 mesh | MT | 239.37 | USD | 20251014 |
| Jinan Xinhou | N330 | MT | 253.45 | USD | 20251014 |
| Shandong Junfeng | China national standards | MT | 1211.15 | USD | 20251013 |
| Shanxi Hengxin Chem | N220 | MT | 1211.15 | USD | 20251013 |