| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1057.1 | USD | 20251019 |
| Shandong Xingpeng Chem | China national standards | MT | 1057.1 | USD | 20251018 |
| Shandong Xingpeng Chem | China national standards | MT | 1113.48 | USD | 20251018 |
| Shandong Xingpeng Chem | China national standards | MT | 1113.48 | USD | 20251017 |
| Shandong Xingpeng Chem | China national standards | MT | 1057.1 | USD | 20251017 |
| Shandong Xingpeng Chem | China national standards | MT | 1056.81 | USD | 20251016 |
| Shandong Xingpeng Chem | China national standards | MT | 1113.18 | USD | 20251016 |
| Shandong Xingpeng Chem | China national standards | MT | 1112.75 | USD | 20251015 |
| Shandong Xingpeng Chem | China national standards | MT | 1056.41 | USD | 20251015 |
| Shandong Xingpeng Chem | China national standards | MT | 1056.03 | USD | 20251014 |