| Vendor | Spec | Unit | Price | Currency | Date |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2248.42 | USD | 20250825 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2243.38 | USD | 20250822 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2241.4 | USD | 20250820 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2242.18 | USD | 20250819 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2243.35 | USD | 20250818 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2241.81 | USD | 20250815 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2242.88 | USD | 20250814 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2242.47 | USD | 20250813 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2241.46 | USD | 20250808 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2242.62 | USD | 20250807 |