| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1172.66 | USD | 20251127 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1172.38 | USD | 20251126 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.08 | USD | 20251121 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.58 | USD | 20251120 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.13 | USD | 20251119 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.39 | USD | 20251118 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1172.05 | USD | 20251117 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.9 | USD | 20251114 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.24 | USD | 20251113 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.77 | USD | 20251112 |