| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 1055.62 | USD | 20251011 |
| Shandong Junfeng | China national standards | MT | 928.95 | USD | 20251011 |
| Shandong Yeyang Chem | China national standards | MT | 1097.85 | USD | 20251011 |
| Shandong Yeyang Chem | China national standards | MT | 1111.92 | USD | 20251011 |
| Shandong Yeyang Chem | China national standards | MT | 1252.67 | USD | 20251011 |
| Shandong Yeyang Chem | China national standards | MT | 1097.85 | USD | 20251011 |
| Shandong Zhiheng | China national standards | MT | 1407.5 | USD | 20251011 |
| Shandong Zhiheng | China national standards | MT | 1330.09 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 1428.61 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 1428.61 | USD | 20251011 |