| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 1124.73 | USD | 20250920 |
| Shandong Mingyu | China national standards | MT | 1124.73 | USD | 20250920 |
| Shandong Mingyu | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Junfeng | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Langchem | China national standards | MT | 1241.42 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 1152.85 | USD | 20250919 |
| Shandong Yeyang Chem | China national standards | MT | 1265.32 | USD | 20250919 |
| Jinan Pulaihua Chem | China national standards | MT | 1195.75 | USD | 20250918 |
| Shandong Junfeng | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 1242.17 | USD | 20250918 |