| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Lufeng Chem | China national standards | MT | 778.09 | USD | 20251211 |
| Shaanxi Lufeng Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Shaanxi Lufeng Chem | China national standards | MT | 784.3 | USD | 20251208 |
| Shaanxi Lufeng Chem | China national standards | MT | 791.03 | USD | 20251202 |
| Shaanxi Lufeng Chem | China national standards | MT | 797.65 | USD | 20251112 |
| Shaanxi Lufeng Chem | China national standards | MT | 740.69 | USD | 20251101 |
| Shaanxi Lufeng Chem | China national standards | MT | 742.27 | USD | 20251030 |
| Shaanxi Lufeng Chem | China national standards | MT | 762.11 | USD | 20251028 |
| Shaanxi Lufeng Chem | China national standards | MT | 768.49 | USD | 20251023 |
| Shaanxi Lufeng Chem | China national standards | MT | 840.76 | USD | 20251013 |