| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 893.25 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 893.0 | USD | 20251209 |
| Shandong Xingpeng Chem | China national standards | MT | 893.11 | USD | 20251208 |
| Shandong Xingpeng Chem | China national standards | MT | 893.3 | USD | 20251206 |
| Shandong Xingpeng Chem | China national standards | MT | 893.3 | USD | 20251205 |
| Shandong Xingpeng Chem | China national standards | MT | 893.5 | USD | 20251204 |
| Shandong Xingpeng Chem | China national standards | MT | 893.24 | USD | 20251203 |
| Shandong Xingpeng Chem | China national standards | MT | 892.73 | USD | 20251202 |
| Shandong Xingpeng Chem | China national standards | MT | 893.17 | USD | 20251201 |
| Shandong Xingpeng Chem | China national standards | MT | 892.79 | USD | 20251130 |