| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1051.28 | USD | 20251111 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1051.43 | USD | 20251110 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1051.73 | USD | 20251107 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1051.29 | USD | 20251106 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1050.76 | USD | 20251105 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1051.0 | USD | 20251104 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1051.27 | USD | 20251103 |
| 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 |