| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1548.84 | USD | 20251014 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1549.14 | USD | 20251013 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1548.25 | USD | 20251011 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1548.25 | USD | 20251010 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1547.07 | USD | 20251009 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1548.1 | USD | 20250930 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1545.99 | USD | 20250928 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1545.99 | USD | 20250926 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1548.05 | USD | 20250925 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1548.05 | USD | 20250924 |