| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | China national standards | MT | 1899.03 | USD | 20250929 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | 600 mesh | MT | 239.14 | USD | 20250929 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | N220 | MT | 253.2 | USD | 20250929 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1208.68 | USD | 20250928 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 983.81 | USD | 20250928 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1208.68 | USD | 20250926 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1208.68 | USD | 20250926 |
| Jinan Xinhou Trading Co., Ltd. | N220 | MT | 1349.22 | USD | 20250926 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | China national standards | MT | 1897.35 | USD | 20250926 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | 600 mesh | MT | 238.93 | USD | 20250926 |