| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.82 | USD | 20251211 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.48 | USD | 20251210 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.37 | USD | 20251209 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.42 | USD | 20251208 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.5 | USD | 20251205 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.58 | USD | 20251204 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.47 | USD | 20251203 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.26 | USD | 20251202 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.44 | USD | 20251201 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.29 | USD | 20251128 |