| Vendor | Spec | Unit | Price | Currency | Date |
| Ulanqab Yonghe | China national standards | MT | 489.04 | USD | 20260508 |
| GX Tiandong Jinyi Tech | China national standards | MT | 394.15 | USD | 20260508 |
| Ulanqab Yonghe | China national standards | MT | 489.14 | USD | 20260507 |
| GX Tiandong Jinyi Tech | China national standards | MT | 394.24 | USD | 20260507 |
| Ulanqab Yonghe | China national standards | MT | 488.61 | USD | 20260506 |
| GX Tiandong Jinyi Tech | China national standards | MT | 393.8 | USD | 20260506 |
| Ulanqab Yonghe | China national standards | MT | USD | 20260430 | |
| Luxi Chem | China national standards | MT | USD | 20260430 | |
| GX Tiandong Jinyi Tech | China national standards | MT | USD | 20260430 | |
| Ulanqab Yonghe | China national standards | MT | USD | 20260429 |