| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1058.95 | USD | 20251116 |
| Shandong Jinshenrun Chem | China national standards | MT | 1101.31 | USD | 20251116 |
| Shandong Jinling Chem | China national standards | MT | 1058.95 | USD | 20251116 |
| Shandong Jinshenrun Chem | China national standards | MT | 1129.54 | USD | 20251116 |
| Shandong Junfeng | China national standards | MT | 1058.95 | USD | 20251115 |
| Shandong Yeyang Chem | China national standards | MT | 1101.31 | USD | 20251115 |
| Shandong Yeyang Chem | China national standards | MT | 1256.62 | USD | 20251115 |
| Shandong Yeyang Chem | China national standards | MT | 1115.43 | USD | 20251115 |
| Shandong Yeyang Chem | China national standards | MT | 1101.31 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1397.81 | USD | 20251115 |