| Vendor | Spec | Unit | Price | Currency | Date |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2240.61 | USD | 20250806 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2241.96 | USD | 20250805 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2241.05 | USD | 20250804 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2237.89 | USD | 20250801 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2237.95 | USD | 20250731 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2239.61 | USD | 20250730 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2237.42 | USD | 20250729 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2238.8 | USD | 20250728 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2240.3 | USD | 20250725 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2241.37 | USD | 20250724 |