| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haihua Co., Ltd. | China national standards | MT | 182.96 | USD | 20250930 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 211.1 | USD | 20250930 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 189.9 | USD | 20250929 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 211.0 | USD | 20250929 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 210.82 | USD | 20250928 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 210.82 | USD | 20250927 |