| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runhua Chem | China national standards | MT | 1170.2 | USD | 20251024 |
| Nanjing Runhua Chem | China national standards | MT | 1169.77 | USD | 20251022 |
| Nanjing Runhua Chem | China national standards | MT | 1169.46 | USD | 20251020 |
| Nanjing Runhua Chem | China national standards | MT | 1169.85 | USD | 20251017 |
| Nanjing Runhua Chem | China national standards | MT | 1168.67 | USD | 20251014 |
| Nanjing Runhua Chem | China national standards | MT | 1154.15 | USD | 20251011 |
| Nanjing Runhua Chem | China national standards | MT | 1154.15 | USD | 20251010 |
| Nanjing Runhua Chem | China national standards | MT | 1111.08 | USD | 20251009 |
| Nanjing Runhua Chem | China national standards | MT | 1111.81 | USD | 20250930 |
| Nanjing Runhua Chem | China national standards | MT | 1111.28 | USD | 20250929 |