| Vendor | Spec | Unit | Price | Currency | Date |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2236.48 | USD | 20250709 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2236.67 | USD | 20250704 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2237.04 | USD | 20250703 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2236.32 | USD | 20250702 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2236.7 | USD | 20250701 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2235.07 | USD | 20250630 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2233.79 | USD | 20250627 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2234.01 | USD | 20250626 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2232.52 | USD | 20250625 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2232.89 | USD | 20250624 |