| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1293.41 | USD | 20250522 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 973.53 | USD | 20250522 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1292.8 | USD | 20250521 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 973.07 | USD | 20250521 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1292.8 | USD | 20250521 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 973.07 | USD | 20250521 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 973.15 | USD | 20250520 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1292.91 | USD | 20250520 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1293.18 | USD | 20250519 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 973.36 | USD | 20250519 |