| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| 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 |