| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1018.59 | USD | 20251211 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1017.62 | USD | 20251210 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1017.34 | USD | 20251209 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1017.47 | USD | 20251208 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1017.68 | USD | 20251205 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1017.91 | USD | 20251204 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1017.61 | USD | 20251203 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1017.04 | USD | 20251202 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1017.54 | USD | 20251201 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1017.11 | USD | 20251128 |