| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 658.66 | USD | 20251105 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 658.81 | USD | 20251104 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 658.98 | USD | 20251103 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 658.86 | USD | 20251031 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 659.01 | USD | 20251030 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 659.08 | USD | 20251028 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 658.85 | USD | 20251027 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 658.41 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 658.51 | USD | 20251023 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 658.4 | USD | 20251021 |