| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | N220 | MT | 1081.86 | USD | 20250424 |
| Shandong Junfeng | China national standards | MT | 1387.0 | USD | 20250424 |
| Shandong Junfeng | N220 | MT | 1081.59 | USD | 20250423 |
| Shandong Junfeng | China national standards | MT | 1386.65 | USD | 20250423 |
| Dongguan Canyu Chem | N220 | MT | 1123.84 | USD | 20250422 |
| Hebei Shibei Rubber | N220 | MT | 1165.47 | USD | 20250422 |
| Shandong Junfeng | China national standards | MT | 1387.46 | USD | 20250422 |
| Shandong Junfeng | N220 | MT | 1082.22 | USD | 20250422 |
| Shandong Junfeng | N220 | MT | 1082.51 | USD | 20250421 |
| Shandong Junfeng | China national standards | MT | 1387.83 | USD | 20250421 |