| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2263.53 | USD | 20251211 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2260.24 | USD | 20251128 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2260.56 | USD | 20251127 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2260.01 | USD | 20251126 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2257.5 | USD | 20251121 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2256.54 | USD | 20251120 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2257.59 | USD | 20251119 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2258.1 | USD | 20251118 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2259.38 | USD | 20251117 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2259.09 | USD | 20251114 |