| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1167.27 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1166.91 | USD | 20250919 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1167.62 | USD | 20250918 |