| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Lufeng Chem | China national standards | MT | 773.16 | USD | 20251205 |
| Shaanxi Lufeng Chem | China national standards | MT | 706.42 | USD | 20251127 |
| Shaanxi Lufeng Chem | China national standards | MT | 706.25 | USD | 20251126 |
| Shaanxi Lufeng Chem | China national standards | MT | 689.27 | USD | 20251119 |
| Shaanxi Lufeng Chem | China national standards | MT | 702.6 | USD | 20251101 |
| Shaanxi Lufeng Chem | China national standards | MT | 700.48 | USD | 20251031 |
| Shaanxi Lufeng Chem | China national standards | MT | 691.54 | USD | 20251028 |
| Shaanxi Lufeng Chem | China national standards | MT | 705.04 | USD | 20251023 |
| Shaanxi Lufeng Chem | China national standards | MT | 739.36 | USD | 20251013 |
| Shaanxi Lufeng Chem | China national standards | MT | 801.1 | USD | 20250926 |