| Vendor | Spec | Unit | Price | Currency | Date |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2258.1 | USD | 20251028 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2255.81 | USD | 20251024 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2254.98 | USD | 20251022 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2255.75 | USD | 20251021 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2254.38 | USD | 20251020 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2255.14 | USD | 20251017 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2254.54 | USD | 20251016 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2253.68 | USD | 20251015 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2252.85 | USD | 20251014 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2253.3 | USD | 20251013 |