| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaowang Chem | China national standards | MT | 1108.87 | USD | 20251025 |
| Shandong Yaowang Chem | China national standards | MT | 1108.46 | USD | 20251022 |
| Shandong Yaowang Chem | China national standards | MT | 1108.54 | USD | 20251019 |
| Shandong Yaowang Chem | China national standards | MT | 1108.54 | USD | 20251017 |
| Shandong Yaowang Chem | China national standards | MT | 1108.25 | USD | 20251016 |
| Shandong Yaowang Chem | China national standards | MT | 1136.0 | USD | 20251015 |
| Shandong Yaowang Chem | China national standards | MT | 1135.58 | USD | 20251014 |
| Shandong Yaowang Chem | China national standards | MT | 1135.8 | USD | 20251013 |
| Shandong Yaowang Chem | China national standards | MT | 1135.15 | USD | 20251012 |
| Shandong Yaowang Chem | China national standards | MT | 1097.85 | USD | 20251011 |