| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 659.64 | USD | 20251126 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 658.91 | USD | 20251121 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 658.63 | USD | 20251120 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 658.93 | USD | 20251119 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 659.08 | USD | 20251118 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 659.46 | USD | 20251117 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 659.37 | USD | 20251114 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 659.0 | USD | 20251113 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 658.99 | USD | 20251111 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 659.0 | USD | 20251106 |