| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1121.85 | USD | 20251113 |
| Shandong Yeyang Chem | China national standards | MT | 1241.8 | USD | 20251113 |
| Shandong Mingyu | China national standards | MT | 1220.63 | USD | 20251113 |
| Shandong Mingyu | China national standards | MT | 1206.52 | USD | 20251113 |
| Shandong Mingyu | China national standards | MT | 1206.52 | USD | 20251113 |
| Shandong Mingyu | China national standards | MT | 1206.52 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 1188.17 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 1093.63 | USD | 20251113 |
| Shandong Zhiheng | China national standards | MT | 1171.24 | USD | 20251113 |
| Shandong Zhiheng | China national standards | MT | 1128.91 | USD | 20251113 |