| Vendor | Spec | Unit | Price | Currency | Date |
| Dongguan Canyu Chem | N220 | MT | 973.54 | USD | 20251121 |
| Shandong Junfeng | N220 | MT | 987.65 | USD | 20251121 |
| Shandong Junfeng | China national standards | MT | 1213.4 | USD | 20251121 |
| Hebei Shibei Rubber | N220 | MT | 959.44 | USD | 20251121 |
| Shandong Junfeng | N220 | MT | 987.24 | USD | 20251120 |
| Shandong Junfeng | China national standards | MT | 1212.89 | USD | 20251120 |
| Shandong Junfeng | N220 | MT | 987.7 | USD | 20251119 |
| Shandong Junfeng | China national standards | MT | 1213.46 | USD | 20251119 |
| Shanxi Hengxin Chem | N220 | MT | 1213.46 | USD | 20251119 |
| Shanxi Hengxin Chem | N220 | MT | 945.58 | USD | 20251118 |