| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1174.21 | USD | 20251211 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1173.1 | USD | 20251210 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1172.76 | USD | 20251209 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1172.91 | USD | 20251208 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1173.16 | USD | 20251205 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1173.43 | USD | 20251204 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1173.08 | USD | 20251203 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1172.42 | USD | 20251202 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1173.0 | USD | 20251201 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1172.5 | USD | 20251128 |