| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xinhou Trading Co., Ltd. | N220 | MT | 1350.5 | USD | 20250918 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 984.74 | USD | 20250918 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1209.82 | USD | 20250918 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1209.82 | USD | 20250918 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 985.54 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1210.81 | USD | 20250916 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1055.51 | USD | 20250915 |
| Hebei Shibei Rubber Technology Development Co., Ltd. | N220 | MT | 1083.65 | USD | 20250915 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1055.42 | USD | 20250910 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1210.21 | USD | 20250910 |