| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2258.1 | USD | 20251110 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2258.74 | USD | 20251107 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2257.81 | USD | 20251106 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2257.75 | USD | 20251103 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2257.34 | USD | 20251031 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2257.3 | USD | 20251027 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2256.13 | USD | 20251023 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2252.0 | USD | 20251011 |