| Vendor | Spec | Unit | Price | Currency | Date |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1210.33 | USD | 20250930 |
| Hebei Shibei Rubber Technology Development Co., Ltd. | N220 | MT | 1055.52 | USD | 20250930 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1055.52 | USD | 20250930 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | China national standards | MT | 1899.94 | USD | 20250930 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1013.3 | USD | 20250930 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1209.75 | USD | 20250929 |
| Jinan Xinhou Trading Co., Ltd. | N220 | MT | 1350.42 | USD | 20250929 |
| Hebei Shibei Rubber Technology Development Co., Ltd. | N220 | MT | 1055.02 | USD | 20250929 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | 600 mesh | MT | 239.14 | USD | 20250929 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | China national standards | MT | 1899.03 | USD | 20250929 |