| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1100.67 | USD | 20251111 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1100.82 | USD | 20251110 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1101.14 | USD | 20251107 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1100.68 | USD | 20251106 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1100.13 | USD | 20251105 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1100.37 | USD | 20251104 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1100.65 | USD | 20251103 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251031 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1100.7 | USD | 20251030 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1101.03 | USD | 20251029 |