| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1051.07 | USD | 20251031 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1051.31 | USD | 20251030 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1051.62 | USD | 20251029 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1051.43 | USD | 20251028 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1051.06 | USD | 20251027 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1050.36 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1050.51 | USD | 20251023 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1049.98 | USD | 20251022 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1050.33 | USD | 20251021 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1049.69 | USD | 20251020 |