| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1060.09 | USD | 20251205 |
| Shandong Xingpeng Chem | China national standards | MT | 1060.33 | USD | 20251204 |
| Shandong Xingpeng Chem | China national standards | MT | 1116.88 | USD | 20251204 |
| Shandong Xingpeng Chem | China national standards | MT | 1060.01 | USD | 20251203 |
| Shandong Xingpeng Chem | China national standards | MT | 1116.54 | USD | 20251203 |
| Shandong Xingpeng Chem | China national standards | MT | 1115.91 | USD | 20251202 |
| Shandong Xingpeng Chem | China national standards | MT | 1059.41 | USD | 20251202 |
| Shandong Xingpeng Chem | China national standards | MT | 1059.94 | USD | 20251201 |
| Shandong Xingpeng Chem | China national standards | MT | 1116.47 | USD | 20251201 |
| Shandong Xingpeng Chem | China national standards | MT | 1115.99 | USD | 20251130 |