| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1058.25 | USD | 20251119 |
| Shandong Xingpeng Chem | China national standards | MT | 1114.69 | USD | 20251119 |
| Shandong Xingpeng Chem | China national standards | MT | 1114.94 | USD | 20251118 |
| Shandong Xingpeng Chem | China national standards | MT | 1058.48 | USD | 20251118 |
| Shandong Xingpeng Chem | China national standards | MT | 1115.57 | USD | 20251117 |
| Shandong Xingpeng Chem | China national standards | MT | 1059.08 | USD | 20251117 |
| Shandong Xingpeng Chem | China national standards | MT | 1058.95 | USD | 20251116 |
| Shandong Xingpeng Chem | China national standards | MT | 1115.43 | USD | 20251116 |
| Shandong Xingpeng Chem | China national standards | MT | 1115.43 | USD | 20251114 |
| Shandong Xingpeng Chem | China national standards | MT | 1058.95 | USD | 20251114 |