| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Xingchen | China national standards | MT | 1820.03 | USD | 20260408 |
| Nantong Xingchen | China national standards | MT | 1815.44 | USD | 20260407 |
| Nantong Xingchen | China national standards | MT | 1813.46 | USD | 20260403 |
| Nantong Xingchen | China national standards | MT | 1887.34 | USD | 20260402 |
| Nantong Xingchen | China national standards | MT | USD | 20260401 | |
| Nantong Xingchen | China national standards | MT | USD | 20260331 | |
| Nantong Xingchen | China national standards | MT | USD | 20260330 | |
| Nantong Xingchen | China national standards | MT | USD | 20260327 | |
| Nantong Xingchen | China national standards | MT | USD | 20260326 | |
| Nantong Xingchen | China national standards | MT | USD | 20260325 |