| Vendor | Spec | Unit | Price | Currency | Date |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 974.23 | USD | 20251114 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 945.99 | USD | 20251114 |
| Hebei Shibei Rubber Technology Development Co., Ltd. | N220 | MT | 960.11 | USD | 20251114 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 987.79 | USD | 20251113 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1213.58 | USD | 20251113 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1214.12 | USD | 20251112 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1214.12 | USD | 20251112 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1214.12 | USD | 20251112 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 988.24 | USD | 20251112 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 988.24 | USD | 20251112 |