| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 903.24 | USD | 20251118 |
| Shandong Xingpeng Chem | China national standards | MT | 903.75 | USD | 20251117 |
| Shandong Xingpeng Chem | China national standards | MT | 903.64 | USD | 20251116 |
| Shandong Xingpeng Chem | China national standards | MT | 883.87 | USD | 20251114 |
| Shandong Xingpeng Chem | China national standards | MT | 883.37 | USD | 20251113 |
| Shandong Xingpeng Chem | China national standards | MT | 883.77 | USD | 20251112 |
| Shandong Xingpeng Chem | China national standards | MT | 883.36 | USD | 20251111 |
| Shandong Xingpeng Chem | China national standards | MT | 883.48 | USD | 20251110 |
| Shandong Xingpeng Chem | China national standards | MT | 883.73 | USD | 20251109 |
| Shandong Xingpeng Chem | China national standards | MT | 883.73 | USD | 20251108 |