| Vendor | Spec | Unit | Price | Currency | Date |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2252.0 | USD | 20251010 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2250.29 | USD | 20251009 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2251.78 | USD | 20250930 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2248.71 | USD | 20250928 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2248.71 | USD | 20250926 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2251.71 | USD | 20250925 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2251.71 | USD | 20250924 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2251.71 | USD | 20250923 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2250.16 | USD | 20250922 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2249.47 | USD | 20250919 |