| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaowang Chem | China national standards | MT | 1727.1 | USD | 20251025 |
| Shandong Yaowang Chem | China national standards | MT | 1726.47 | USD | 20251022 |
| Shandong Yaowang Chem | China national standards | MT | 1726.59 | USD | 20251019 |
| Shandong Yaowang Chem | China national standards | MT | 1726.59 | USD | 20251017 |
| Shandong Yaowang Chem | China national standards | MT | 1726.13 | USD | 20251016 |
| Shandong Yaowang Chem | China national standards | MT | 1753.64 | USD | 20251015 |
| Shandong Yaowang Chem | China national standards | MT | 1753.0 | USD | 20251014 |
| Shandong Yaowang Chem | China national standards | MT | 1753.35 | USD | 20251013 |
| Shandong Yaowang Chem | China national standards | MT | 1752.34 | USD | 20251012 |
| Shandong Yaowang Chem | China national standards | MT | 1829.75 | USD | 20251010 |