| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1061.03 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 1117.62 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 1060.03 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 1116.56 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 1059.73 | USD | 20251209 |
| Shandong Xingpeng Chem | China national standards | MT | 1116.24 | USD | 20251209 |
| Shandong Xingpeng Chem | China national standards | MT | 1059.86 | USD | 20251208 |
| Shandong Xingpeng Chem | China national standards | MT | 1116.39 | USD | 20251208 |
| Shandong Xingpeng Chem | China national standards | MT | 1060.09 | USD | 20251206 |
| Shandong Xingpeng Chem | China national standards | MT | 1116.62 | USD | 20251206 |