| Vendor | Spec | Unit | Price | Currency | Date |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2231.21 | USD | 20250623 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2231.68 | USD | 20250620 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2230.62 | USD | 20250619 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2229.62 | USD | 20250618 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2230.09 | USD | 20250617 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2228.75 | USD | 20250616 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2225.75 | USD | 20250613 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2225.75 | USD | 20250612 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2225.75 | USD | 20250611 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2225.75 | USD | 20250610 |