| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 985.06 | USD | 20250910 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1210.21 | USD | 20250910 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1210.77 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 985.51 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 985.03 | USD | 20250906 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1210.38 | USD | 20250904 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 985.19 | USD | 20250904 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1209.43 | USD | 20250903 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 984.68 | USD | 20250902 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1209.75 | USD | 20250902 |