| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1214.41 | USD | 20251117 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1214.41 | USD | 20251117 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 988.48 | USD | 20251117 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 988.48 | USD | 20251117 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1214.41 | USD | 20251117 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1214.26 | USD | 20251115 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 988.35 | USD | 20251115 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1214.26 | USD | 20251114 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1214.26 | USD | 20251114 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 974.23 | USD | 20251114 |