| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaowang Chem | China national standards | MT | 1120.44 | USD | 20251022 |
| Shandong Yaowang Chem | China national standards | MT | 1120.52 | USD | 20251019 |
| Shandong Yaowang Chem | China national standards | MT | 1120.52 | USD | 20251017 |
| Shandong Yaowang Chem | China national standards | MT | 1120.22 | USD | 20251016 |
| Shandong Yaowang Chem | China national standards | MT | 1119.8 | USD | 20251015 |
| Shandong Yaowang Chem | China national standards | MT | 1119.39 | USD | 20251014 |
| Shandong Yaowang Chem | China national standards | MT | 1119.61 | USD | 20251013 |
| Shandong Yaowang Chem | China national standards | MT | 1118.96 | USD | 20251012 |
| Shandong Yaowang Chem | China national standards | MT | 1126.0 | USD | 20251011 |
| Shandong Yaowang Chem | China national standards | MT | 1118.96 | USD | 20251010 |