| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | N220 | MT | 252.98 | USD | 20250926 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | 600 mesh | MT | 238.93 | USD | 20250926 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 985.12 | USD | 20250925 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1210.3 | USD | 20250925 |
| Hebei Shibei Rubber Technology Development Co., Ltd. | N220 | MT | 1055.49 | USD | 20250925 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1055.49 | USD | 20250925 |
| Jinan Xinhou Trading Co., Ltd. | N220 | MT | 1351.03 | USD | 20250925 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1013.27 | USD | 20250925 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1210.3 | USD | 20250925 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | 600 mesh | MT | 239.24 | USD | 20250924 |