| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 892.79 | USD | 20251129 |
| Shandong Xingpeng Chem | China national standards | MT | 892.79 | USD | 20251128 |
| Shandong Xingpeng Chem | China national standards | MT | 892.71 | USD | 20251126 |
| Shandong Xingpeng Chem | China national standards | MT | 892.33 | USD | 20251125 |
| Shandong Xingpeng Chem | China national standards | MT | 892.06 | USD | 20251124 |
| Shandong Xingpeng Chem | China national standards | MT | 891.71 | USD | 20251123 |
| Shandong Xingpeng Chem | China national standards | MT | 891.71 | USD | 20251122 |
| Shandong Xingpeng Chem | China national standards | MT | 891.71 | USD | 20251121 |
| Shandong Xingpeng Chem | China national standards | MT | 891.33 | USD | 20251120 |
| Shandong Xingpeng Chem | China national standards | MT | 891.75 | USD | 20251119 |