| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2225.75 | USD | 20250609 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2225.75 | USD | 20250606 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2225.75 | USD | 20250605 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2225.75 | USD | 20250604 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2226.27 | USD | 20250603 |