| Vendor | Spec | Unit | Price | Currency | Date |
| Dongguan Canyu Chem | N220 | MT | 1283.03 | USD | 20250219 |
| Dongguan Canyu Chem | N220 | MT | 1199.41 | USD | 20250217 |
| Dongguan Canyu Chem | N220 | MT | 1199.34 | USD | 20250214 |
| Hebei Shibei Rubber | N220 | MT | 1255.13 | USD | 20250214 |
| Hebei Shibei Rubber | N220 | MT | 1255.06 | USD | 20250212 |
| Dongguan Canyu Chem | N220 | MT | 1199.27 | USD | 20250212 |
| Hebei Shibei Rubber | N220 | MT | 1161.67 | USD | 20250107 |
| Dongguan Canyu Chem | N220 | MT | 1154.72 | USD | 20250107 |