| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | China national standards | MT | 1899.88 | USD | 20250923 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | 600 mesh | MT | 239.24 | USD | 20250923 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | N220 | MT | 253.32 | USD | 20250923 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 984.45 | USD | 20250922 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1209.46 | USD | 20250922 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1012.57 | USD | 20250922 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1054.76 | USD | 20250922 |
| Hebei Shibei Rubber Technology Development Co., Ltd. | N220 | MT | 1054.76 | USD | 20250922 |
| Jinan Xinhou Trading Co., Ltd. | N220 | MT | 1350.1 | USD | 20250922 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | N220 | MT | 253.14 | USD | 20250922 |