| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 712.52 | USD | 20251123 |
| Shandong Xingpeng Chem | China national standards | MT | 712.52 | USD | 20251122 |
| Shandong Xingpeng Chem | China national standards | MT | 712.52 | USD | 20251121 |
| Shandong Xingpeng Chem | China national standards | MT | 712.22 | USD | 20251120 |
| Shandong Xingpeng Chem | China national standards | MT | 712.55 | USD | 20251119 |
| Shandong Xingpeng Chem | China national standards | MT | 733.88 | USD | 20251118 |
| Shandong Xingpeng Chem | China national standards | MT | 734.3 | USD | 20251117 |
| Shandong Xingpeng Chem | China national standards | MT | 734.2 | USD | 20251116 |
| Shandong Xingpeng Chem | China national standards | MT | 734.2 | USD | 20251114 |
| Shandong Xingpeng Chem | China national standards | MT | 733.79 | USD | 20251113 |