| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 985.15 | USD | 20251003 |
| Shandong Xingpeng Chem | China national standards | MT | 985.15 | USD | 20251001 |
| Shandong Xingpeng Chem | China national standards | MT | 1097.74 | USD | 20251001 |
| Shandong Xingpeng Chem | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Xingpeng Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Xingpeng Chem | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Xingpeng Chem | China national standards | MT | 1097.22 | USD | 20250929 |
| Shandong Xingpeng Chem | China national standards | MT | 1096.24 | USD | 20250928 |
| Shandong Xingpeng Chem | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Xingpeng Chem | China national standards | MT | 983.81 | USD | 20250927 |