| Vendor | Spec | Unit | Price | Currency | Date |
| Huixian Yongchang | China national standards | MT | 253.11 | USD | 20260327 |
| Huixian Yongchang | China national standards | MT | 253.42 | USD | 20260326 |
| Huixian Yongchang | China national standards | MT | 253.95 | USD | 20260325 |
| Huixian Yongchang | China national standards | MT | 253.83 | USD | 20260324 |
| Huixian Yongchang | China national standards | MT | 253.47 | USD | 20260323 |