| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 1081.59 | USD | 20250423 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1386.65 | USD | 20250423 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1123.84 | USD | 20250422 |
| Hebei Shibei Rubber Technology Development Co., Ltd. | N220 | MT | 1165.47 | USD | 20250422 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1387.46 | USD | 20250422 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 1082.22 | USD | 20250422 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 1082.51 | USD | 20250421 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 1082.51 | USD | 20250421 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1387.83 | USD | 20250421 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1387.83 | USD | 20250421 |