| Vendor | Spec | Unit | Price | Currency | Date |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2240.46 | USD | 20250723 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2239.01 | USD | 20250722 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2237.07 | USD | 20250721 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2237.82 | USD | 20250719 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2237.82 | USD | 20250718 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2238.98 | USD | 20250717 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2237.82 | USD | 20250715 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2238.04 | USD | 20250714 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2238.54 | USD | 20250711 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2237.45 | USD | 20250710 |